circummarginate placenta

circummarginate placenta

a placenta with a thinner ring of membranous tissue on the fetal surface than that of a circumvallate placenta. It is associated rarely with fetal malformation but usually has no clinical significance.
References in periodicals archive ?
4] Abnormalities of the shape of placenta like placenta succenturiata, fenestrated placenta, circumvallate and circummarginate placenta have been encountered accidently.