Hyperemesis gravidarum refers to intense and persistent nausea and vomiting during pregnancy. It is very common in any woman who develops a multiple pregnancy. There is no specially related cause.
However, some risk factors for hyperemesis gravidarum are elevated hormone levels, placental mass, or psychological and social aspects.
Read the full article on: What Are the Risk of Twin Pregnancy in Surrogacy Process? ( 44).
By Andrea Rodrigo (embryologist), Marta Barranquero Gómez (embryologist) and Marie Tusseau (babygest staff).
Last Update: 06/17/2019
