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21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
The male partner withdraws his penis from the vagina just before ejaculation.
b
The male partner ejaculates semen that is devoid of sperm.
c
The couples abstain from coitus from day 10 to 17 of the menstrual cycle.
d
The ovum and sperms are prevented from physically meeting with the help of barriers.
answer is A.
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