Deficient oxygenation of FETAL BLOOD.
Monitoring of FETAL HEART frequency before birth in order to assess impending prematurity in relation to the pattern or intensity of antepartum UTERINE CONTRACTION.
The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.
The failure of a FETUS to attain its expected FETAL GROWTH at any GESTATIONAL AGE.
The unborn young of a viviparous mammal, in the postembryonic period, after the major structures have been outlined. In humans, the unborn young from the end of the eighth week after CONCEPTION until BIRTH, as distinguished from the earlier EMBRYO, MAMMALIAN.
A condition of decreased oxygen content at the cellular level.
Relatively complete absence of oxygen in one or more tissues.