NEET BIOLOGY

Detailed explanation-1: -The barrier method of contraceptive are those which permits the sperm from meeting the egg. So, the correct answer is ‘Copper-releasing IUDs’.

Detailed explanation-2: -Barrier methods are not as effective at preventing pregnancy as other birth control methods, such as the birth control implant, injection, or intrauterine device (IUD). Out of 100 women per year, 18 to 28 women will become pregnant when using barrier methods.

Detailed explanation-3: -Barrier contraceptives are birth control devices that block sperm from entering the uterus. Barrier methods include the diaphragm, cervical cap, male condom, and female condom. Intrauterine devices does not stop the sperm from entering into the uterus.

Detailed explanation-4: -These include condoms (both external and internal) as well as the diaphragm, cervical cap, sponge, and vaginal spermicides. Condoms are also known as “barrier” methods of birth control; they physically block or otherwise prevent sperm from entering the uterus and reaching the egg for fertilization.