The<unk>  is used for its high negative predictive value. A negative result is highly predictive of fetal wellbeing and tolerance of labor. The test has a poor positive predictive value with false-positive results in as many as 30% of cases. A positive<unk>  indicates high risk of fetal death due to hypoxia and is a contraindication to labor. Patient's obstetricians usually consider operative delivery in such situations.
Contraction stress test
Evocative/suppression testing
Combined intracavernous injection and stimulation test
Cold pressor test
Videonystagmography
Provocation test
Double dye test
Lateral flow test