Respuesta :

i think its b endometrium.

During childbirth, contractions occur in the myometrium.

What do you mean by Contractions?

Contractions during childbirth may be defined as the tightening of the uterus muscles at regular intervals to dilate and efface the cervix of a female.

A myometrium is the thickest layer of the uterine wall which is responsible for the contraction of the uterus.

The myometrium plays an effective role at the time of childbirth by contracting rhythmically to create pressure and due to which a baby is easily passed out of the mother's body.

Therefore, during childbirth, contractions occur in the myometrium.

To learn more about Childbirth, refer to the link:

https://brainly.com/question/1935418

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