title: Physical exertion and reproductive success.
authors.forename: D W
authors.initials: DW
authors.lastname: Cramer
mesh_terms: D000022:Abortion, Spontaneous / Q000453:epidemiology; D002140:California / Q000453:epidemiology; D005260:Female; D005298:Fertility / Q000502:physiology; D006801:Humans; D008597:Menstrual Cycle / Q000502:physiology; D008599:Menstruation Disturbances / Q000453:epidemiology; D009426:Netherlands / Q000453:epidemiology; D005082:Physical Exertion; D011247:Pregnancy; D012098:Reproduction / Q000502:physiology*; D012307:Risk Factors