Sundermann AC, Velez Edwards DR, Slaughter JC, Wu P, Jones SH, Torstenson ES, Hartmann KE. Week-by-week alcohol consumption in early pregnancy and spontaneous abortion risk: a prospective cohort study. American journal of obstetrics and gynecology. 2020 Jul 13. PMID: 32673615 [PubMed]
Half of women use alcohol in the first weeks of gestation, but most stop once pregnancy is detected. The relationship between timing of alcohol use cessation in early pregnancy and spontaneous abortion risk has not been determined.