Obstetrics and Gynecology · 1958 · 43 citations · 0 references
MedicineObstetricsPediatricsMaternal-fetal MedicineObstetric ComplicationsPerinatal EpidemiologyMaternal ComplicationsMaternal Medical Complications In PregnancyPostpartum ComplicationsPregnancyPerinatal ComplicationsPregnancy-related ComplicationsSeasonal Pregnancy RatesSeasonal VariationSeasonal Variation In MorbiditySeasonality Of Birth DefectsSeasonality Of Births
From the Departments of Psychiatry and Pediatrics, Ohio State University, Columbus, Ohio. We gratefully acknowledge the help of the New York City Department of Health in supplying the data for our analysis.