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No medical objection to older mothers

Dr Kirsty Horsey

Progress Educational Trust

19 November 2002

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[BioNews, London] According to a study conducted at the University of Southern California (USC), post-menopausal women are equally as likely as younger women to conceive and give birth following egg donation.

Dr Richard Paulson and colleagues, whose research is published in the Journal of the American Medical Association, studied 77 post-menopausal women on an USC egg donation programme between 1991 and 2001. The women's ages were between 50 and 63, but the study showed they had similar pregnancy and miscarriage rates to younger women.

Fifty-five of the egg donation procedures resulted in pregnancies, with 45 live births. All multiple births - six sets of twins and two triplets - were delivered by Caesarean section, as well as 68 per cent of singleton births. Twenty-five per cent of the women suffered mild pre-eclampsia and ten per cent had 'severe' pre-eclampsia. A fifth of the women developed gestational diabetes, the majority of cases being controlled with diet modification and not needing insulin injections.

Based on these results, Dr Paulson and his team concluded that the uterus of post-menopausal women 'is not only receptive to implantation with adequate steroid replacement, but also appears capable of supporting the gestation throughout the term of pregnancy'. Despite the fact that there appeared to be an increased risk of certain conditions, the researchers added that there would be no 'definitive medical reason for excluding women from attempting pregnancy on the basis of age alone'. Paulson commented 'not only do I not have a problem in allowing postmenopausal women to become pregnant, I would have an ethical problem in denying them'. In a press release responding to the study, Dr Sandra Carson of the American Society for Reproductive Medicine said that although the procedure was 'not unethical in all cases', it 'should be discouraged'.

© Copyright Progress Educational Trust

Reproduced with permission from BioNews, an email and online sources of news, information and comment on assisted reproduction and genetics.

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Date Added: 19 November 2002   Date Updated: 12 September 2004
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