title: The sex ratio of pregnancies complicated by hospitalisation for hyperemesis gravidarum.
authors.forename: William H
authors.initials: WH
authors.lastname: James
mesh_terms: D005260:Female; D006760:Hospitalization; D006801:Humans; D006939:Hyperemesis Gravidarum / Q000628:therapy*; D011247:Pregnancy; D011256:Pregnancy Outcome; D012744:Sex Ratio