UK's No.1 Pregnancy Supplement Brand
Winner of the Queen's Award
for Innovation 2013
by Boots' customers 2015
Advanced conception & start of pregnancy vitamins, to support fertility & reproductive health
Pregnancy supplements with specific nutrients for you and your growing baby, including Folic Acid & Vit D
Post natal supplements carefully formulated to support new mums after the birth of their child
Expert nutritional care while trying for a baby
Pregnacare® Conception and Wellman® Conception vitamin and mineral supplements provide advanced nutritional support for men and women trying for a baby. Including zinc which contributes to normal fertility and reproduction and vitamin D which has a role in the process of cell division. Also includes the exact levels of folic acid (400mcg) recommended by the UK Department of Health.
Expert nutritional care throughout all of pregnancy
The Pregnacare® range of pregnancy vitamins have been carefully developed to provide important nutritional support for you and your growing baby. Each of our pregnancy supplements includes the exact levels of folic acid and vitamin D recommended by the UK Department of Health. Also available is Pregnacare® Cream to help protect stretching skin.
Expert nutritional care for new mums
The time after your baby's birth is incredibly important and demanding, as you are producing milk and replacing the nutritional stores lost during pregnancy and labour. Pregnacare® Breast-feeding and Pregnacare® New Mum vitamin and mineral supplements provide carefully balanced formulations to help support the nutritional needs of new mums throughout the postnatal period.
Pregnacare® Reviews ★★★★★
"I naturally conceived aged 48 years old, and my son was born when I was 49. I believe I am now the oldest first time mum, who conceived naturally, in the uk. I took Pregnacare Conception before I became pregnant, and I believe this contributed to my fertility at this older age; for this I would like to thank your company."
Mrs SARAH REDMOND, London, United Kingdom
"I started taking Pregnancare Conception when myself and my partner started trying for a baby (He was also taking the male supplement). This was purely just to prepare my body for pregnancy after 5 weeks of taking Pregancare I was pregnant! I really believe the extra vitamins help. Thank you Pregnacare!"
Mrs Charlotte , England, United Kingdom
"My husband and I have been trying to get pregnant for over two years. I am thirty years old and read the reviews on pregnacare conception. I started my first no during my last period and took a pregnancy test this morning and its positive. Thank you pregnacare for your products I plan to use the others for my pregnancy thanks again."
Mrs Josie , Trinidad, Trinidad
"Been trying to conceive for over a year bought these and within the first packet I am pleased to say I am pregnant :) so happy xx miracle pills"
Miss Happy Mommy, England, United Kingdom
"Hi me and my fiancee have been trying for a baby for 4 years. I started taking Pregnacare Conception, I bought my second packet and a pregnancy test and found out pregnant! After 1 packet of the vitamins, we are really happy and would thanks the vitamin. I would really recommended these to any couples trying to conceive. Thanks again, Stephanie Wood"
Miss Stephanie Wood, England, United Kingdom
"Hi, thanks for making Pregnacare it is such a great product. I used it as soon as I found out I was pregnant the first time and found it helped so much, I had a healthy pregnancy and everything went much more smoothly for me than friends who never took Pregnacare. I have now started taking pregnacare again on my second pregnancy as i felt constantly tired without it so the product definitely works, thanks for making this product it is excellent :)"
Miss GEORGINA ANDERSON, London, United Kingdom
"I would just like to say what wonderful products you sell. I have been using Pregnacare tablets and cream since the day I found out I was pregnant, I’ve now gone onto Pregnacare breastfeeding tablets."
Miss E. W, Romford, United Kingdom
"I just wanted to say what a super product Pregnacare is. I used it all through my first pregnancy and have used it again with my second baby. My friends are pregnant so I have advised them to take it too as it was the best and a reasonable price too. Keep up the good work and thanks for being such a good company to us mums."
Mrs R D, Skipton, United Kingdom
"As I sit here typing this with my 11 week old beautiful little baby girl in my arms I realise how very lucky I am. After 12 hours of labour my little girl was stuck and had to be delivered with forceps. I lost 2 litres of blood and I firmly believe that the reason I did not require a blood transfusion was because of your product Pregnacare which I took throughout my pregnancy. You see my haemoglobin level was very high and dropped, but still to a safe level. I feel it was a key part in helping throughout the birth process and after emergency surgery. So thank you from the three of us!"
Mrs M B, Bury, United Kingdom
"I started using Pregnacare conception and I didn’t even finish my first box and fell pregnant...Its amazing and really works. Thank you, I will be recommending to everyone."
Ms M N, Portlaoise, Ireland
"I just wanted to say how wonderful the Pregnacare Breast-feeding supplements are. I have a 7 month old baby and I am breastfeeding. I had been extremely run down and struggled to get day to day tasks done. My mother in-law saw these tablets in her local chemist just over a month ago, and I have been taking them ever since. Myself and my husband noticed a change in my energy levels within 2 or 3 days of taking them. Thank you for making this wonderful product, I feel like the old me again - I only wish I'd found them sooner! "
Mrs A A, Gravesend, United Kingdom
"My husband and I had been trying to conceive for 17 months. I took Pregnacare Conception for one month and conceived before I'd even finished the first packet! I'm now 11 weeks pregnant and have been taking Pregnacare Plus for the past 2 months and am so far, having an easy pregnancy - I feel great. I would definitely recommend these tablets to anybody else."
Mrs A E, Nottingham, United Kingdom
"I just want to thank you for your wisdom and expertise in coming up with Pregnacare. This product helped my wife give birth to a very bouncing and active baby boy. My baby will be 7 months old and he has been crawling and learning how to stand up already. Before pregnancy she was on WELLWOMAN and switched to PREGNACARE right from conception. By taking Pregnacare she has had a very healthy pregnancy and my baby was born healthy with a good weight. There were no complications during her pregnancy. Thank you."
Mr I I, Namibia, Namibia
"I am 7 months pregnant and for the first 3 months I was using... just folic acid and iron tablets. I decided to move onto Pregnacare after the pharmacist recommended them to me. I’ve been on Pregnacare ever since and I wouldn’t go back. They give me all the vitamins I need to have a healthy baby. My pregnancy is going fantastically well, thanks to Pregnacare."
Miss G B, Bradford, United Kingdom
"We decided to try for a baby after 8 years of marriage. I decided to take Pregnacare Conception and after the first box, I fell pregnant and I had a very good pregnancy. I went on to take Pregnacare Plus and I gave birth to a health baby boy on his exact due date. I continued to take Pregnacare breast feeding, I would highly recommend this product. "
Ms A U, Leicester, United Kingdom
"I have just started using Vitabiotics Pregnacare Conception after a close friend recommended it to me as she has had trouble conceiving for years. She took Pregnacare Conception and didn’t even finish the box and is now six months pregnant. I have heard of the effectiveness of the product from several people and cant wait to soon live its wonders..! "
Miss P S , London, United Kingdom
"I used Pregnacare for both my pregnancies and after my second pregnancy I used Pregnacare Breast-feeding and I cannot express how brilliant this product is! It is fantastic and gives you all of the vitamins you need! if I ever have another baby I will certainly be using these products again as both my boys are very healthy and happy :) thank you Pregnacare!"
Mrs T H, Southampton, United Kingdom
"After being told I would have trouble conceiving I decided to take Pregnacare conception and after a year I fell pregnant, during my pregnancy I took Pregnacare with Omega and when my baby was born he was very strong and alert and he is very advanced for his age, so I definitely think it's down to Pregnacare. "
Miss S Y, London, United Kingdom
"I just wanted to say that the Breastfeeding supplement is amazing! I was determined not to supplement my son, despite slow weight gain so started taking Pregnacare Breast-feeding myself a month ago. He is a different baby which I am putting down to more nutritious milk. Thank you so much, would recommend to anyone"
Mrs A B, Birmingham, United Kingdom
"I just wanted to say a big thank you to Pregnacare! I am now 33 weeks along with a very active baby and have been taking Pregnacare with Omega 3 from the first month onwards. I am quite a fussy eater and was worried about not eating any fish during the pregnancy. With Pregnacare, I didn't have to worry about missing out on anything needed for my baby (DHA, Omega oils, Folic Acid) and so many people have commented on how healthy I looked during my pregnancy - they were amazed! I was so happy that I was able to get them when I was in Hong Kong because of your superb mail order service and I am now ordering them from Japan. I have stocked up on Pregnacare Breastfeeding for after the pregnancy and have even ordered Wellman for my husband to try. Thank you so much and I would highly recommend Pregnacare to anyone who is thinking about getting pregnant or is pregnant now - it really works!"
Mrs A M, Tokyo, Japan
"After trying to conceive for 2 years, we both started to take Pregnacare His and Her Conception about 2 months ago. I am now 6 weeks pregnant-it really does work! Thank you."
Mrs P D, London, United Kingdom
"I travelled to London in September 2009 and bought Pregnacare tablets at Boots. After several months, I found I was pregnant and now my lovely baby is 3 months old. I also gave Pregnacare to my 5 good friends, all of whom will have a baby soon. It`s really amazing and I wanted to share this story with you."
L G, China, China
"My husband and I had been trying to conceive for 2 years. I started to taking Pregnacare conception about 3 months ago. 8 weeks ago I decided that my hubby needs to start taking Wellman Conception and BAM I am now 6 weeks pregnant! It really does work! Thank you."
Mrs M C, London, United Kingdom
"I took Pregnacare Original throughout my pregnancy and not only did it ensure that both baby and I were getting all the best vitamins possible, but we now have a beautiful baby boy who at 4 months old surprises us every day with how strong he is. I'm convinced all the vitamins and minerals in Pregnacare helped him to be as strong and healthy as he is today and as parents it's great to know you've given him the best possible start, even before he arrived! I would absolutely recommend Pregnacare to any mum-to-be."
Mrs Leanne Parker, Bournemouth, United Kingdom
"I have taken Pregnacare in my last pregnancy, and felt so healthy compared with my other pregnancies. We are now planning our next baby and have started to take them again, i have recommended them to every pregnant women i come across so thank you."
Mrs N B, Birmingham, United Kingdom
"I have been taking Pregnacare Breastfeeding for 3 months and I am very pleased with it. I would definitely recommend it ."
Mrs Elena Prinsloo, Bournemouth, United Kingdom
"I have been using Pregnacare from early in my pregnancy,and now I feel healthy and my baby is growing big. I would recommend it to every woman out there."
Mrs Sharon Masis, South Africa, South Africa
"After trying for seven months i was told about Pregnacare Conception by my friend. I then got pregnant after one month of taking it, and truly recommend this."
Mrs R P, London, United Kingdom
"I decided to take "Pregnacare Conception" for a month as recommended by a friend. It works, it works, it works... I am confirmed 3 week pregnant today. Thanks to Pregnacare!!!"
Miss E N, London, United Kingdom
"I started taking Pregnacare Plus as soon as I was pregnant through the whole 40 weeks and what a difference it made in my wellbeing. My son was born very alert and wide eyed right from the first minute. His motor skills for a new born are amazing. I am continuing with the Pregnacare breast-feeding & new mum and am sure it will continue to keep me and my son very healthy and strong. Thanks for a very good product."
Miss Matilda Wemegah, Ottawa, Canada
"I’m soo happy after months of trying, Pregnacare Conception gave me all my missing vitamins and after just two weeks of taking them i found out i’m pregnant soo happy "
Mrs Sabrina Darlington, York, United Kingdom
"AMAZING - I have 3 children and my partner said let’s have another so i started taking Pregnacare Original and then found out i was pregnant. I am now 7 weeks and i just know it’s down to Pregnacare. A BIG THANK YOU "
Mrs Lisa Holland, stoke-on-trent, United Kingdom
"I think Pregnacare His & Hers (for women and men) is brilliant. We have been trying for a baby for about 11 months and after taking Pregnacare His & Hers tablets for only 2 weeks I have found out that I’m pregnant after the first month. I am now about 3 weeks pregnant. Thank you, my husband and I are soooo happy."
Miss J H, Nuneaton, United Kingdom
"My Husband and I have been trying for a baby for 3 years now. I decided to try Pregnacare Plus Omega 3, I took this for 2 months and I am 5 months pregnant now, our scan shows our baby is developing perfectly with great movement in the womb. I believe this is all due to Pregnacare, thank you so much!"
Mrs Lesley Fay, Westmeath, Ireland
"I took pregnacare from about three months until the end of my pregnancy. My baby boy was born very very alert and could follow my partners finger the day he was born. He only weighed 6lb at birth but even the midwives commented on his alertness. I tell everyone it's due to pregnacare ... I'm sure it is :) now breatfeeding I take pregnacare breast-feeding and feel happy knowing I'm providing my baby the healthiest milk I can especially as I'm a fussy eater. Definitely recommend!"
Ms M E, London, United Kingdom
"I was using Pregnacare Conception 2 and a half months before I became pregnant. I thought they were very good and also they weren't too hard on the stomach. I am nearly 7 weeks gone now and I am using up my remaining tablets."
Ms C S, London, United Kingdom
"Dear Vitabiotics, after two years trying to conceive, my partner and I started fertility treatment as we were told we would need ICSI/IVF . I started taking Pregnacare Conception and my partner switched to Wellman Conception as soon as we found out about it. Less than two months later and I am five weeks pregnant - naturally. We are both 42 years old. I will be recommending your product to anyone trying to conceive."
Ms Nicola Golding, London, United Kingdom
"During my first 2 pregnancies i was prescribed high dose iron tablets which had side effects. The 3rd time round i decided to try Pregnacare which had a good level of iron and along with a healthy diet i didn’t have any problems .I can’t praise it highly enough!"
Ms Leanne Mcwilliams, Paisley, United Kingdom
"I used Pregnacare Plus Omega 3 all the way through my first pregnancy and I felt great. My baby was so strong and healthy when he was born, and has continued to be so. When tested he was 7 months ahead in his intelligence and progress and although I can't prove it, I put a lot of this down to combining the Pregnacare Plus with a good diet. I will be using Pregnacare now I am pregnant again. I am just glad I am able to get these now I have moved to Chile."
Ms M S, Chile, Chile
"After 3 IVF attempts with no luck we decided the our fourth will be the last one, on the way to the clinic we saw the Pregnacare ad in the tube and decided to try..... What a difference that made, everything was so much better this time round and the result..........a twin pregnancy!!! So just like to say a big thank you. I have recommended Pregnacare to quite a few people, one family member who was going for IVF took it as well and now has twin girls also!!!"
Mrs D J, London, United Kingdom
"Just want to say Pregnacare is a great compact multivitamin. The antenatal doctor recommended your product and I have never looked back or regretted it. They are easily tolerated and instead of having to take folic acid separately I was happy with just the one pill to take. I have taken Pregnacare for just under one month & am feeling great. Highly thanking your team."
Ms L F, London, United Kingdom
"Since I found out I was pregnant I have been taking your Pregnacare Plus Omega 3 and have been so so happy with the product and the way it has kept me healthy and given me the right amount of everything needed for me and baby. I have also used daily or every other day your Pregnacare streching cream which is fab and I have not one stretch mark on my body none at all, I have again used this from the beginning. I am 8 month's 1 week pregnant so really am at the last stretch and can't say enough how pleased I am I chose Pregnacare products."
Ms T H, London, United Kingdom
"my husband and i want to say thank you very much for your product pregnacare conception.We've been trying for almost ten years to have a baby and nothing happened, but with the help of this product...I am almost a months pregnant now...thank you again."
Mrs E G, Manila, Philipines
"Dear Sir/Madam, i have been trying for a baby for 3yrs and after using Pregnacare Conception for 1month i finally conceived. Thanks for the production of this supplement."
Mrs A B, London, United Kingdom
"I would highly recommend Pregnacare Conception - i have been taking Pregnacare then changed to Conception - I got pregnant before the end of my first box. They are easy to take (with food) with plenty of vitamins & iron for energy - especially in the first few weeks of pregnancy. Thank You!!"
Ms A L, London , United Kingdom
"This product is Awesome. I wanted a prenatal supplement and went to the pharmacy to shop around. The packaging looked informative and appealing so I chose it. This was November, by December I was pregnant (1mth)! I took it every day. My baby was born in the ending of July at a whopping 8lbs11oz. He was beautiful: skin glowing, healthy and vibrant. I made it a point of my duty to invite every pregnant mother at my work place to use it. Currently there are six and they all testify wonderful things about their pregnancies on this pill. I would definitely recommend it to every mother. Thanks, Pregnacare. "
Mrs Kerisa Sawyers, Ocho Rios, Jamaica
"I’ve already had two children so when the pregnancy test kept being negative i was worried! We tried for 1 year,then i read about your before you conceive vitamin. I thought i would give it a go and a month later a was with child,sooooo thank you i am sure its thanks to you guys!i feel great as well so fingers crossed"
Mrs J C, London, United Kingdom
"Since taking Pregnacare, I feel much more full of energy. Thanks!"
Ms Samantha Weston, Cheshire, United Kingdom
"An email to thank you for creating good products for me. When I wanted to get pregnant,I took Pregnacare- and had a healthy baby (naturally) at 46 ! "
Mrs Karen Gold, Stroud, United Kingdom
"Pregnacare is a lovely supplement for pregnant women. It gives me so much energy that without it my pregnancy would have been very difficult and dull!! I never forget to take Pregnacare since I first started…and no other supplement compares to Pregnacare!! It’s fabulous!!"
Miss Kiran Marwaha, London, United Kingdom
"Hello, Just a quick note to complement you on your excellent, fast delivery and communication of despatch with my order of Pregnacare tablets. I have never ordered from you before and I am always dubious about internet transactions, but I needn't have worried as the standard of service is excellent. The bonus point scheme is a great idea also, I shall certainly use you again and shall recommend you to friends and family. Thank you. "
Mrs Vicky Thorley, London, United Kingdom
"Working in a new job and just finding out you're pregnant is not easy! Of course you need to focus on trainings, inductions and all the rest, and you don't want to appear unethusiastic. Well, for the first 8 weeks, I had a tough time. Luckily, a colleague recommended Pregnacare. Ever since I started taking it, I have felt energetic and more alert during the day. "
Mrs Sylvia Nwaozuzu, London, United Kingdom
"I would like to thank vitabiotics for developing Pregnacare tablets, I took them every day for a year before I became pregnant and all through my pregnancy, and after, I had a very healthy 9lb 2oz baby girl now 17 months and now I am taking the Pregnacare again, whilst trying for another baby. My consultant in hospital said it was excellent that I was taking such a good combination of minerals and vitamins throughout my pregnancy, as it gave my unborn baby such a great start. Many thanks"
Miss Patricia Mcgrath, United States Of America, United States Of America
"I am 12 weeks pregnant, and recently started taking your Pregnacare tablets. I have already found them making a great difference and wellbeing. Thank you."
Mrs Varshaq Rajput, London, United Kingdom
"When I first found out I was pregnant, I was lacking iron. I saw a leaflet that was given to me in a mum-to-be pack which was pregnacare. I thought I'd give it a try and ever since taking them I have felt great, and had no problems with the amount of iron and also my baby's growth is well too. I definitely recommend these to anyone. 21 years old, 30wks pregnant. (at time of this review 30/06/04)"
Miss Sara Adams, West Bromwich, United Kingdom
"I just wanted to tell you how wonderful Pregnacare is. I was ill all the way through my first pregnancy with terrible sickness and anaemia, was off work almost constantly and ended up in hospital. I dreaded the same thing when I became pregnant again. However I took Pregnacare all the way through as I was still breastfeeding my son as well and this time I sailed through the pregnancy with no problems at all. In fact the only day I was sick was the one day I forgot to take my Pregnacare pill the night before. Coincidence? Who knows? I know that every pregnancy is supposed to be different but the difference was rather extreme - from a miserable shivering wreck who could do nothing but lay down all day to an active healthy women full of life and energy. Thank you so much. I am still continuing to take Pregnacare as I am breastfeeding and would recommend it to anyone. "
Miss Danielle Hoynes, Cardiff, United Kingdom
"I am trying for a baby, so I decided to start taking pregnacare,they give you every thing you need to keep you healthy, all the right nutritions so you dont have to keep buying all different ones. It has everything you need to keep you both healthy"
Mrs Jacqueline Nadeem, Surrey, United Kingdom
""Pregnacare has made me feel terrific during my pregnancy. I have more energy than ever before and feel healthy overall. My doctor stressed the importance of folic acid duing my pregnancy and I feel confident I'm doing the best for my baby by taking Pregnacare everyday. I plan to continue taking it after childbirth to ensure my baby and I are getting all the vitamins and nutrients we need.""
Mrs M P, New York, United States Of America
Study on Pregnacare® Conception Multi-Nutrient Tablets in conception1
Reported in Reproductive BioMedicine Online and UK national press.
As reported in the National Press, Vitabiotics Pregnacare® Conception has been used by women undergoing ovulation induction who are trying to conceive in a published UK pilot study, carried out at the Royal Free Hospital, and widely reported in the national press. Pregnacare® Conception provides a comprehensive spectrum of micronutrients. It is formulated for women who are trying to conceive, including vitamin B12, and 400mcg folic acid as recommended by the UK Department of Health from the start of trying for a baby.
1 Agrawal, R. et al. Prospective randomised trial of multiple micronutrients in women undergoing ovulation induction; a pilot study, Reproductive BioMedicine Online December 2011.
Pregnacare® Original tablets have been shown to benefit pregnant mums and their babies in major UK trial¹.
Pioneering research trial conducted in the UK, reposted in British journal of nutrition.
This was carried out by the Institute of Brain Chemistry and Human Nutrition at London Metropolitan University and the Homerton University Hospital, published in British Journal of Nutrition, April 2010, and widely reported in the UK national press.
¹L Brough et al., the groundbreaking study investigated the effect of multiple-micronutrient supplementation on maternal nutrient status, infant birth weight and gestational age at birth in a low-income, multi-ethnic population. British Journal of Nutrition (2010), 104, 437-445.
Pregnacare includes essential IODINE
As widely reported, a study published in The Lancet, reveals that iodine intake is essential in pregnancy. Pregnacare has always included a sensible, balanced level of essential Iodine.www.thelancet.com Published online May 22, 2013
'Folic Fred, Part Deux', is an animated film which aims to reduce the risk of serious birth defects, by urging women to take folic acid. Released by the charity, Shine, supported by Pregnacare, aims to spread the vital message about taking vitamin B12 as well as folic acid before pregnancy.
A-Z of Pregnancy & Nutrition
Consumer material for your clients, the A-Z of pregnancy & nutrition provides important answers for mums-to-be.
It covers everything from flatulence and weight gain to cravings and vitamin supplements.
Dr. Hilary Jones
Planning your pregnancy
Find out how to prepare yourself physically and psychologically before embarking on the journey to motherhood. A positive mental attitude and being physically in tip top condition gives you a real advantage. There are also 8 main things you should do before you intend to conceive.
A healthy balanced diet for you and your baby
A healthy balanced diet is really important in pregnancy to prepare your body for the changes that will occur as your baby grows and to ensure that your baby gets all the nutrients it needs for maximum growth and development. Find out what types of foods you should be consuming and the foods that you should avoid.
So when is your baby due?
When you first fall pregnant one of the first things you want to know is when your baby is due to arrive. Find out how to work out your estimated due date.
What does antenatal care consist of? Find out how many appointments you'll receive and what each of your appointments will focus on.
Pregnancy Due Date Calculator, Pill Reminder and much more!
Regularity of the Monthly Cycle & Conception
Michael Dooley, a NHS Consultant Gynaecologist, Fellow of the Royal College of Obstetricians and Gynaecologists and Medical Director of the Poundbury Clinic which uses Pregnacare, gives the following advice.
"Having a regular menstrual cycle is important evidence to demonstrate that your body is working normally. The average menstrual cycle is 28 days long but can range from 24 to 35 days¹. It's important to note that some women can in fact experience irregular cycles when coming off the contraceptive pill and this can last for up to six months². The menstrual cycle can also be disturbed by factors such as weight loss, weight gain, excessive amount of exercise, physical or emotional upset. It has been suggested that stress can play a role in upsetting the menstrual cycle. If you are concerned about your menstrual cycle it is recommend that you consult your doctor."
Pregnacare Conception is a carefully formulated, moderate level multi-vitamin and mineral supplement, and is free from any drug or hormones. It does not contain any ingredient that is known to cause any delay in the monthly cycle. In fact, one study has clearly shown that the female cycle was more regular during multivitamin supplementation³. Please note this should not be regarded as a substitute to the professional medical advice provided by your doctor or other healthcare professionals and we recommend you consult your doctor for specific guidance.
¹ NHS Choices states "In most women this happens every 28 days or so. It's common for women to have a cycle that occurs earlier or later than this (24-35 days)."
² NHS Choices states "Your periods may be irregular when you first come off the pill, and you should allow up to six months for your natural menstrual cycle to re-establish itself fully. It's quite common to have a longer delay before normal periods start again after stopping the pill".
³ The effect of preconceptional multivitamin supplementation on the menstrual cycle. Randomized Controlled Trial. Dudas I. Rockenbauer M. Czeizel AE. Archives of Gynecology & Obstetrics. 256(3):115-23, 1995.