title: Excerpts from articles on abortion, women's fertile period and how the estrogenic hormones reflect the endometrial cycle.
authors.forename: P
authors.initials: P
authors.lastname: Bergsjø
mesh_terms: D000028:Abortion, Induced / Q000266:history*; D005260:Female; D049673:History, 20th Century; D006801:Humans; D010827:Physiology / Q000266:history; D011247:Pregnancy; D012098:Reproduction; D013548:Sweden