bag of waters

Staff dilated her, causing “a bulging bag of waters”, but refused her request to break her water and begin delivery, the report says.

And if it was all right to push a hypodermic needle into the bag of waters, why not keep going and push it into the fetus' abdomen?

By puncturing the bag of waters late in pregnancy, draining off a little fluid, and staining the cells, the sex of 25 babies was foretold with accuracy at the University of Brussels' Laboratory for Experimental Gynecology.

For some women, the bag of waters breaks before labor begins or perhaps as the first sign of its beginning.

The bag of waters in which the baby is enclosed throughout the pregnancy may have broken at the beginning of labor, before or during the first stage.