1. | blocks estrogen receptors in the uterus, preventing implantation. |
2. | increases the concentration of estrogen and prevents ovulation in females. |
3. | is an lUD. |
4. | is a post-coital contraceptive. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is incorrect regarding vasectomy?
1. No sperm occurs in seminal fluid
2. No sperm occurs in epididymis
3. Vasa deferentia is cut and tied
4. Irreversible sterility
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following approaches does not give the defined action of contraceptive?
1. | Intra uterine devices | Increases phagocytosis of sperms, suppress sperm motility and fertilizing capacity of sperms |
2. | Hormonal | Prevent/retard entry of sperms, prevent ovulation and fertilization |
3. | Vasectomy | Prevents spermatogenesis |
4. | Barrier methods | Prevent fertilisation |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology