title: Should we adjust for pregnancy history when the exposure effect is transient?
authors.forename: C R
authors.initials: CR
authors.lastname: Weinberg
mesh_terms: D000022:Abortion, Spontaneous / Q000453:epidemiology; D015982:Bias; D005260:Female; D006801:Humans; D018811:Maternal Exposure; D010298:Parity; D011247:Pregnancy; D011256:Pregnancy Outcome / Q000453:epidemiology*; D017584:Reproductive History; D012307:Risk Factors