SAEVA Proceedings 2018 4. Proceedings | Page 171

SAEVA Congress 2018 Proceedings | 12-15 February 2018 | ATKV Goudini Spa Fetal fluids The maximal vertical allantoic fluid depth in late gestation is abnormal if < 47 mm or > 221 mm and the maximal vertical amniotic fluid depth is abnormal if < 8 mm or > 185 mm. Fetal fluid depths The lack of an adequate volume of fetal fluids may be associated with prolonged fetal hypoxia or premature rupture of the fetal membranes. Excessive quantities of amniotic fluid may be associated with abnormalities of fetal swallowing. With fetal death, the fluids surrounding the fetus gradually disappear. 166