What is the scientific term for the withdrawal of penis from vagina before ejaculation?

What method is used to prevent the ejaculated semen from entering the vagina during intercourse?

Which of the following organizations developed 'Saheli', an oral contraceptive drug for females?</h2></div>

Which of the following is not a cause of female infertility?</h2></div>

The substance used in the birth control pills is?<br> </h2></div>

Starvation death decreases due to</h2></div>

Which of the following physiological process is stopped by surgical intervention techniques of contraception?</h2>…

What is ''population'' according to you as a biology student?</h2></div>