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27. Reasons for overpopulation, contraceptives and their principle

Choose the correct answer:

[Note: Choose all the correct options, there may be one more correct options]

1. Which of the following statements is/are true regarding the mechanism of contraception?

Birth control enhances and increases ovulation
Birth control promotes the implantation of the early embryo in the uterus
Birth control prevents ovulation
Birth control prevents the sperm transport to the ovum

2. Which of the following statements is false about natural method of contraception?

Periodic abstinence is a method where the male withdraws his penis before the insemination of the semen
Periodic abstinence is a method where the couple avoid copulation when ovulation is expected
Coitus interruptus is a method where the male withdraws his penis before the insemination of the semen
Coitus interruptus is a method where the couple avoid copulation when ovulation is expected

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