Labor occurring before 37 weeks of gestation (as determined from the first day of the last menstrual period or by ultrasound estimation ... (drugs that inhibit myometrial contractions) include ...

Transvaginal ultrasound was previously felt to be extremely accurate; however, more recently it is felt to be a less sensitive tool than other methods. 3D sonohysterography has been found to be ...

The uterus has three layers: the inner lining (endometrium); the middle muscular layer (myometrium); and the outer layer (perimetrium ... Unless the scar area is being monitored by ultrasound or a ...