A simple method for sizing the early pregnant uterus.
D005260:Female; D005865:Gestational Age; D006801:Humans; D010173:Palpation; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D016216:Ultrasonography, Prenatal; D014599:Uterus / Q000033:anatomy & histology* / Q000000981:diagnostic imaging