Posted: July 28th, 2017
Most couples are using “natural” family planning methods. Most accidental pregnancies in couples preferred to use this method have been related to unprotected intercourse before ovulation. Which of the following factor explains why pregnancy may be achieved by unprotected intercourse during the preovulatory period?
A. Ovum viability.
B. Tubal motility.
C. Spermatozoal viability.
D. Secretory endometrium.
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