The Friedman curve, the gold standard for rates of cervical dilation and fetal descent during active labor, was developed almost 50 years ago. To define a modern curve for normal labor ...

Stage 2 begins with full cervical dilation and ends with the delivery of your baby. Stage 3 begins with the delivery of your baby and ends with the delivery of your placenta. The first stage of ...

Medically reviewed by Monique Rainford, MD Fact checked by Zerah Isaacs The cervical os is a narrow opening at each end of ...

"Dilatation" is a widening of the cervical passage. This is done using smoothly conical and tapered, graduated metal rods of various sizes and these are appropriately called the dilators.

Our purpose was to describe serum LDH isoenzymes 24–30 hours post-delivery to determine if cervical dilation rates following labor admission were associated with a particular LDH profile.