title: Safety of first-trimester exposure to topical tretinoin: prospective cohort study.
authors.forename: L
authors.initials: L
authors.lastname: Shapiro
authors.forename: A
authors.initials: A
authors.lastname: Pastuszak
authors.forename: G
authors.initials: G
authors.lastname: Curto
authors.forename: G
authors.initials: G
authors.lastname: Koren
mesh_terms: D000014:Abnormalities, Drug-Induced / Q000453:epidemiology* / Q000209:etiology; D000287:Administration, Topical; D016022:Case-Control Studies; D015331:Cohort Studies; D000075202:Contraindications; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011256:Pregnancy Outcome; D011261:Pregnancy Trimester, First; D011446:Prospective Studies; D012307:Risk Factors; D014212:Tretinoin / Q000008:administration & dosage / Q000009:adverse effects*
chemical_list: D014212:Tretinoin