Assertion (A): | Coitus interruptus has a high failure rate for a method of contraception. |
Reason (R): | The pre-ejaculate fluid secreted by bulbourethral glands is known to have sperms. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |
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Assertion (A): | Lactational amenorrhea is temporary postnatal infertility that occurs when a woman is amenorrheic (not menstruating) and fully breastfeeding. |
Reason (R): | Breastfeeding delays the resumption of normal ovarian cycles by disrupting the pattern of pulsatile release of GnRH from the hypothalamus and hence LH from the pituitary. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |
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Lactational amenorrhoea occurs as prolactin directly:
1. inhibits the secretion of LH
2. inhibits the secretion of GnRH
3. stimulates estrogen secretion
4. increases the secretion of inhibin
An ideal contraceptive should not:
1. Be user friendly
2. Be effective and reversible
3. Have the least side effects
4. Interfere with sexual drive
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