Pregnancy-induced hypertension and duration of sexual cohabitation.

Objective: To evaluate the possible association between duration of sexual cohabitation and the risk of pregnancy-induced hypertension (PIH).

Study Design: A matched case-control design in which each case of PIH was compared with three controls. Information was obtained about use of barrier contraception, duration of intercourse prior to pregnancy and paternity.

Vaginosonographic measurement of endometrial thickness in the evaluation of amenorrhea.

The progestin-induced withdrawal bleeding test has often been used in patients with amenorrhea to assess endogenous estrogen (E) production. The endometrial thickness measured by vaginal ultrasonography with a 5 MHz transducer is also dependent on E stimulation of the endometrium. In this study, 70 consecutive patients were evaluated with both the progestin-induced withdrawal bleeding test and a measurement of the endometrial thickness by vaginosonography.

Ultrasonographic identification of the macrosomic fetus.

Ultrasonographically determined biparietal diameter, femur length, abdominal circumference, and estimated fetal weight were analyzed with regard to their ability to predict the macrosomic newborn. Receiver operating characteristic curves were plotted for each of these variables. Estimated fetal weight was superior to biparietal diameter or femur length measurements in the identification of the overgrown fetus.

Fetal weight estimates in diabetic gravid women.

Fetal weight in utero was estimated sonographically within one week of delivery in 70 live-born fetuses of diabetic gravidas. The best estimates of weight were obtained with formulas dependent on biparietal diameter, abdominal circumference, and femur diaphysis length, and with formulas using the two variables of femur diaphysis length and abdominal circumference. Use of a special formula for the fetus of a diabetic mother was not of additional benefit.