VGO-0177
QUESTION
The number of oocytes decrease at?
OPTIONS
(A) The time of birth
(B) The puberty
(C) Both (A) and (B)
(D) None of the above
ANSWER
(C) Both (A) and (B)
EXPLANATION
The ovarian oocyte reserve declines through physiological germ-cell loss and follicular atresia before birth and continues to decline before and after puberty. Thus, both birth and puberty occur along a decreasing reserve rather than representing stages at which the number continually increases. Neither event alone encompasses the full pattern, making both (A) and (B) the most complete choice.
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Veterinary Gynaecology and Obstetrics · 240 Questions
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