16:47
Tieng Anh Vui
The Royal College of Obstetricians and Gynaecologists has been criticised for saying pregnant women may want to "play it safe" and avoid chemicals found in many common household products.
It says there is not enough information about the chemical risks to foetuses from cosmetics and food packaging.
Items which it suggests should be avoided include tinned food, ready meals, shower gel and even new cars.
Critics say the advice is unhelpful, unrealistic and alarmist.
The RCOG says it is informing women and filling a void - until now, there has been no official advice for pregnant and breastfeeding women to turn to.
Ways of reducing exposure
- Use fresh food rather than processed
- Avoid food and drink in cans and plastic containers
- Minimise use of moisturisers, cosmetics, shower gel and fragrances
- Avoid buying new furniture, fabrics, non-stick frying pans and cars when pregnant or nursing
It is unlikely that any of the exposures are truly harmful for most babies, say the report's authors, and, based on current evidence, it is impossible to give an accurate assessment of risk.
Nevertheless, they say women should make an informed choice and at the same time "not wrap themselves up in a bubble".
Practical advice?
They say pregnant women can be exposed to a complex mixture of hundreds of chemicals at low levels through the food they eat and the everyday products they use.
Chemicals, such as bisphenol A and phthalates, can leach into food packaging and containers, including food and beverage cans and plastic-wrapped ready meals, say the authors, Dr Michelle Bellingham and Prof Richard Sharpe.
Among other warnings:
- Cosmetic products and toiletries such as moisturisers, shower gel and sunscreen could, theoretically, also pose a chemical risk
- Cleaning products, air fresheners and non-stick frying pans can be added to the hazard list
- Pregnant women might also want to avoid decorating the new baby's room with fresh paint as breathing the fumes may be harmful
What risks?
- Chemicals can enter your body through your skin or when you breathe, eat or drink
- Your baby is exposed if the chemical passes from your blood, through the placenta
- There is no consensus about which common household chemicals are harmful or whether they need to be avoided
- Bisphenol A is found in drink and food cans, while phthalates are found in plastics, carpets, fabrics, cosmetics and new cars
- Smoking and drinking too much alcohol can harm the baby
- Experts agree that there are some foods - certain fish, for example - that you should avoid or cut down on when you're pregnant because they might make you ill or harm your baby
And do not assume natural or herbal products or remedies are safe, say the authors.
Prof Sharpe said: "For most environmental chemicals we do not know whether or not they really affect a baby's development, and obtaining definitive guidance will take many years.
"This paper outlines a practical approach that pregnant women can take, if they are concerned about this issue and wish to 'play safe' in order to minimise their baby's exposure."
He said women should not be alarmed and that the potential risks were likely to be small.
Many expert organisations were quick to criticise the RCOG advice.
Tracey Brown, of Sense About Science, said: "Pregnancy is a time when people spend a lot of time and money trying to work out which advice to follow, and which products to buy or avoid. The simple question parents want answered during pregnancy is: 'Should we be worried?'
"What we need is help in navigating these debates about chemicals and pregnancy. Disappointingly, the RCOG report has ducked this."
Rosemary Dodds, of the National Childbirth Trust, said it was unacceptable that pregnant women today were still having to make decisions without clear information on possible risks.
Janet Fyle, of the Royal College of Midwives, said pregnant women must take the advice with caution and use their common sense and judgement and not be unnecessarily alarmed about using personal care products, such as moisturisers, cosmetics and shower gels.
"There needs to be more scientific and evidence-based research into the issues and concerns raised by this paper," she said.
Dr John Harrison, director of Public Health England's Centre for Radiation, Chemical and Environmental Hazards, said: "We agree that it would be sensible for pregnant women to avoid using hazardous chemicals such as pesticides or fungicides as a precaution, or in line with product information. However, there is no evidence to suggest that chemicals in items such as personal care products are a risk to public health."
Dr Chris Flower of the Cosmetic, Toiletry and Perfumery Association said there was no for anyone - pregnant or otherwise - to worry.
"The Royal College of Obstetricians and Gynaecologists has advised pregnant women to take a 'safety first' approach to cosmetic products and the good news is that there are already strict laws in place for cosmetics that allow us all to do just that."
He said a full safety assessment of every cosmetic product and all its ingredients was undertaken before a product could go on the market and, by law, all of the ingredients in a cosmetic product had to be listed on its packaging.
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