A Young Couple Has Had Regular,unprotected Sexual Intercourse for 4

question 12

Multiple Choice

A young couple has had regular,unprotected sexual intercourse for 4 years,without a pregnancy.They are seeking help at an assisted reproduction/IVF clinic for infertility.The husband's sperm count and sperm structure are normal.The wife undergoes a round of IVF.She must inject herself with FSH,which produces large antral follicles visible on ultrasonography.She is then given an LH injection,and her eggs are collected in a long needle by transvaginal approach 16 hours later.One of the main effects of LH is the induction of ovulation.During IVF,the eggs are retrieved before ovulation.The LH is given in order to:

• A)Increase the size and number of the antral follicles.
• B)Induce luteinization of the cumulus cells.
• C)Induce oocyte meiotic maturation.
• D)Promote breakdown of the tunica albuginea.
• E)Increase androstenedione synthesis.

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