Human Reproduction, Vol. 14, No. 2, 532-535,
February 1999
© 1999 European Society of Human Reproduction and Embryology
Turner's syndrome and pregnancies after oocyte donation
Infertility Clinic, The Family Federation of Finland, Kalevankatu 16, FIN-00100 Helsinki Finland
A total of 20 clinical pregnancies was achieved among 18 women with Turner's syndrome who were treated in an oocyte donation programme. The oocytes were donated by voluntary unpaid donors. A mean of 1.8 embryos per transfer was given to each recipient by way of 28 fresh and 25 frozen embryo transfers. With fresh and frozen embryos, 13 and seven pregnancies respectively were achieved. The clinical pregnancy rate per fresh embryo transfer was 46%, and the implantation rate 30%, being similar to the corresponding rates among our oocyte recipients with primary ovarian failure in general. The corresponding rates with frozen embryos were 28 and 19%. Of these pregnancies, 40% ended in miscarriage. This high rate may be explained by uterine factors. Six women were hypertensive during pregnancy, a rate comparable with that in other oocyte donation pregnancies. All these women delivered by Caesarean section. Pregnancy and implantation rates after oocyte donation were high in women with Turner's syndrome, but the risk of cardiovascular and other complications is high. Careful assessment before and during follow-up of pregnancy are important. Transfer of only one embryo at a time to avoid the additional complications caused by twin pregnancy is recommended.
Key words: endometrium/miscarriage/oocyte donation/pregnancy/Turner's syndrome
1 To whom correspondence should be addressed at: Karolinska Institute, Department of Obstetrics and Gynaecology, Huddinge University Hospital, SE 171 86 Huddinge, Sweden
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