Estel C, Kadner J, Klinger G
Zentralbl Gynakol. 1977;99(23):1458-61.
Placentas of different gestational age from women with oral contraception in the early phase of gravidity were studied morphometrically. An elevated risk for a placental insufficiency could not be found.
对妊娠早期使用口服避孕药的女性不同孕周的胎盘进行了形态计量学研究。未发现胎盘功能不全风险升高。
