title: [Ultrasonographic evaluation of yolk sac in early pregnancy].
abstract: Ultrasound diagnosis of yolk sac in early pregnancy. In cross-sectional study pregnant patients were analyzed by means of endovaginal ultrasound. Yolk sac diameter was analyzed to assess its growth in early pregnancy. Linear growth of sac diameter was observed (at 31 day of the cycle 0.4 mm at 72nd day of the cycle 4.8 mm).
authors.affiliation: Kliniki Perinatologii Instytutu Ginekologii i Połoznictwa AM w Poznaniu.
authors.forename: A
authors.initials: A
authors.lastname: Klejewski
authors.forename: T
authors.initials: T
authors.lastname: Urbaniak
authors.forename: J
authors.initials: J
authors.lastname: Brazert
authors.forename: K
authors.initials: K
authors.lastname: Drews
mesh_terms: D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D011247:Pregnancy; D016216:Ultrasonography, Prenatal; D015017:Yolk Sac / Q000000981:diagnostic imaging* / Q000254:growth & development
vernacular_title: Ultrasonograficzna ocena pecherzyka zółtkowego we wczesnej ciazy.