| Literature DB >> 6954940 |
D C Macourt, P Stewart, M Zaki.
Abstract
1,000 multiple births were examined in relation to maternal exposure to an oral contraceptive before conception. There was a significantly higher rate of monozygotic twinning among pregnancies which took place within 6 months of cessation of the contraceptive. In the monozygotic group there was a significant increase in the incidence of congenital abnormalities (P less than 0.01) when conception occurred within 3 months of cessation of the contraceptive.Entities:
Keywords: Australia; Congenital Abnormalities; Contraception; Contraceptive Methods--side effects; Developed Countries; Diseases; Family Planning; Neonatal Diseases And Abnormalities; Oceania; Oral Contraceptives--side effects; Pregnancy; Pregnancy Outcomes; Pregnancy, Multiple; Reproduction; Research Methodology; Retrospective Studies; Studies
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Year: 1982 PMID： 6954940 DOI： 10.1111/j.1479-828x.1982.tb01393.x
Source DB: PubMed Journal: Aust N Z J Obstet Gynaecol ISSN： 0004-8666 Impact factor: 2.100