Multiple choice

In a female during the pregnancy the blastocyst digests its way through the rich lining of the uterine cavity called ____________ and slowly burrows into the wall of the uterus.

  1. Endometrium

  2. Cervix

  3. Oviduct

  4. Perimetrium

  5. Myometrium

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A Correct answer
Explanation

It is the lining of the inside of the uterus. During the follicular phase of the menstrual cycle, the endometrium thickens in preparation to accept an embryo should conception occur. In a female, during the pregnancy, the blastocyst digests its way through the endometrium.