noun
hydatidiform mole
Medical term for an abnormal pregnancy where a non-viable fertilized egg develops into a mass of cysts.
胞状奇胎は、超音波検査で発見されることが多い。
Hydatidiform moles are often detected by ultrasound examination.
Standard medical spelling.
Variant with 鬼; less common and may carry a slightly different nuance, but refers to the same condition.
Compound of 胞状 (cyst-like) and 奇胎 (abnormal embryo). The variant 鬼胎 uses 鬼 (demon) to convey the abnormal nature.