<unk>  (also known as<unk>  death or<unk>  resorption) is the death of an<unk>  at any stage of its development which in humans, is between the fifth and tenth week of gestation. Failed development of an<unk>  often results in the disintegration and assimilation of its tissue in the uterus.<unk>  during the early stages of prenatal development of the fetus results in the similar process of fetal resorption.<unk>  often happens without an awareness of pregnancy, and an estimated 40 to 60% of all<unk> s do not survive.
Embryo loss
Maternal-fetal conflict
Fetal resorption
Uterine malformation
Placental disease
Wandering womb
Placental insufficiency
Fetal programming