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- Title
The IUD and Recovery of Fertility.
- Authors
Sivin, Irving; Webb, Anne; Stedman, Yvonne; Hollander, D.; Doll, Helen; Vessey, Martin
- Abstract
A digest that appeared recently in "Family Planning Perspectives" [A first pregnancy may be difficult to achieve after long-term use of an IUD, 2001, 33(4):181-182] summarizes at length and with accuracy a report by Helen Doll and coauthors that was originally published in the "British Journal of Obstetrics and Gynaecology." That report concluded that "long term use of an intrauterine device by a nulliparous woman increases the risk of impairment of fertility to a clinically important extent." Specifically, the researchers "assessed fertility by calculating the time taken from stopping contraception to plan pregnancy until the delivery at term." Their finding is entirely statistical. In response to this, the researchers replied that while it is important that the issues raised in the recently published paper are discussed, the critics have misunderstand the statistical analyses and findings. The main misunderstanding centers on the general principles of survival analysis. The time to delivery was calculated as the time from stopping contraception to plan a pregnancy until term delivery.
- Subjects
INTRAUTERINE contraceptives; FERTILITY; DELIVERY (Obstetrics); DELIVERY date (Obstetrics); CONTRACEPTION; BIRTH control
- Publication
Family Planning Perspectives, 2001, Vol 33, Issue 5, p234
- ISSN
0014-7354
- Publication type
Article
- DOI
10.2307/2673788