Billings method of contraception is based on ?
Correct Answer: Change in cervical mucus
Description: Ans. is 'b' i.e., Change in cervical mucus Miscellaneous methods of contraceptions These are (i) Abstinence, (ii) Coitus interruptus, (iii) Safe period (rhyth method), and (iv) Natural family planning methods. Abstinence There is complete abstinence from sexual intercourse. It is not used and can hardly be considered as a method of contraception to be advocated to the masses. Coitus interruptus It is the oldest method of voluntary feility control. The male withdraws before ejaculation, and thereby tries to prevent deposition of semen into vagina. Failure rate is very high 25%. Natural family planning methods These are :? Basal body temperature (BBT) method : It is based on the principle that there is rise BBT at or just before ovulation. Cervical mucus method (Billings method or ovulation method) : It is based on the observation that at the time of ovulation cervical mucus becomes watery clear resembling raw egg white, smooth, slippery and profuse. Symptothermic method : This method combines temperature, cervical mucus and safe period (calender method) methods.
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