A close look at the gestational sac at 7 weeks' gestation

Return to Ultrasound Atlas

A close look at the gestational sac at 7 weeks' gestation

Reference(s):Grisolia G, Milano K, Pilu G, Banzi C, David C, Gabrielli S, Rizzo N, Morandi R, Bovicelli L. Biometry of early pregnancy with transvaginal sonography. Ultrasound Obstet Gynecol 1993;3(6):403–11. PubMed PMID: 12797241.