Preterm Labor 1. What every clinician should know Clinical features and incidence Preterm labor (PTL) is often defined as uterine contractions (four or more/20 minutes or eight or more/hour) and documented cervical change with intact membranes at 20-36 6/7 weeks. In addition to cervical change, many (including us) would consider as additional evidence of preterm…
Incidentally Discovered Short Cervix 1. What every clinician should know Clinical features and incidence Transvaginal ultrasound (TVU) cervical length (CL) is a screening test for prediction of preterm birth (PTB). A normal cervix is about 25-60 mm long outside of pregnancy and up to 28 weeks of gestation. After 28 weeks, even women destined to…
Cervical Insufficiency 1. What every clinician should know Clinical features and incidence Cervical insufficiency (CI) refers to a condition in which the uterine cervix is weak, and because of this characteristic a woman can experience a pregnancy loss in the second or early third trimester. It was formerly called cervical incompetence, a term which should…
