[Indices of a threatened pregnancy in the first trimester].

Studies were carried out on 167 pregnant women, divided into 4 groups in accordance with the values of human chorionic gonadotropin (HCH). Fetal death was established by ultrasound in 41 of the pregnant women including all cases with HCG under 5000 IU, but it was also found in 19.18% of women with values of HCG over 10,000 IU.