strongest risk factor for preterm labor is
preterm labor in prior pregnancy
-other (multiple gestation and hx of cervical surgery)
removal of part of the cervix
cold knife conization (cervical cone biopsy) for CIN
1st step in evaluating risk of preterm labor
Transvaginal Ultrasound (TVUS)
Cervical length that is _________ is a strong predictor of preterm labor
short
______ maintains uterine quiescence in pregnancy
Progesterone