bag of waters

American  

noun

1. a fluid-filled membranous sac in the pregnant uterus that encloses and cushions the fetus, normally breaking at or just before the time of birth; the amnion.

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Etymology

Origin of bag of waters

First recorded in 1880–85

Example Sentences

See Examples For:

bag of waters

The bag of waters is the sac of membranes in which the child is inclosed.

From The Four Epochs of Woman's Life; a study in hygiene by Anna M. (Anna Mary) Galbraith

That membrane forms a complete bag over the fetus; this bag becomes filled with liquid, so that the fetus floats freely in a bag of waters; this bag bursts only during childbirth.

From Woman Her Sex and Love Life by William J. Robinson

The fœtus, preceded by the bag of waters, then descends through the vagina or birth canal until it comes to the external opening of the vagina.

From Herself Talks with Women Concerning Themselves by Edith B. (Edith Belle) Lowry

As noted above, the first subjective symptom may be the rupture of the bag of waters, and it is imperative to prepare at once for the labor.

From The Mother and Her Child by William S. Sadler

This is a rule that must not be broken, because of the danger of infection in those cases where the bag of waters may have broken early in the labor.

From The Mother and Her Child by William S. Sadler