Maternal Cigarette Smoking During Pregnancy and Genital Anomalies in Boys: A Register-Based Cohort and Sibling-Matched Design Study.
Daniel LindboLinn Håkonsen ArendtAndreas ErnstLea Lykke Braskhøj LauridsenNis BrixCecilia Høst Ramlau-HansenPublished in: Clinical epidemiology (2022)
Shared, familial confounding does not seem to explain earlier findings of higher risk of cryptorchidism and lower risk of hypospadias.