Obstetrics Choroid plexus cyst 13 Oct 201730 Nov 2020 In the second trimester choroid plexus cysts are found in 1–3% of normal fetuses and in 30–50% of trisomy 18 fetuses (Dagklis T. et al., 2008). The presence of choroid…
Obstetrics The lambda sign 4 Oct 201718 May 2023 In twin pregnancies prenatal diagnosis of chorionicity is important because chorionicity rather than zygocity is the main factor determining pregnancy outcome. An important feature of dichorionicity is the extension of…
Gynaecologia 