Placenta | Placental chorangiomas

Placenta | Placental chorangiomas Placental chorangiomas are growths that are benign (non-cancerous) masses of placental tissue and blood vessels. Very large chorangiomas may “steal” blood from the fetal circulation, resulting in the fetal heart having to work much...

Placenta | Placenta praevia

Placenta | Placenta praevia In placenta praevia, the placenta implants on the lower instead of the upper segment of the uterus, partially or completely covering the cervix. If the placenta only partially covers the cervix in mid pregnancy, it may resolve on its own by...

Placenta | Amniotic band syndrome (ABS)

Placenta | Amniotic band syndrome (ABS) Amniotic bands are caused by damage to one of the membrane layers of the placenta called the amnion. Damage to the amnion may produce fibre-like bands, which can trap or constrict parts of the developing baby. They can cause a...