Match each method of protection with a means of birth control in the key. a. vasectomy b. oral contraception c. intrauterine device (IUD) d. diaphragm e. male condom Blocks entrance of sperm to uterus

In this exercise, we are given 5 protection methods: a. vasectomy b. oral contraception c. intrauterine device (IUD) d. diaphragm e. male condom

Now we will match these methods with the way they block the entrance of sperm into the uterus. a. Vasectomy: This method refers to a surgical procedure for males in which the vas deferens are cut, tied, or otherwise sealed. This prevents sperm from being released during ejaculation, effectively preventing pregnancy. b. Oral contraception: These are pills containing hormones taken by women to prevent ovulation, thicken cervical mucus, or alter the uterine lining, depending on their specific composition. By doing so, they block the entrance of sperm to the uterus, making it hard for them to reach eggs, thus preventing pregnancy. c. Intrauterine device (IUD): This is a small, T-shaped device that is placed in the uterus by a healthcare provider. The most common types of IUDs are copper IUDs and hormonal IUDs. Both types prevent sperm from reaching and fertilizing an egg. A copper IUD releases copper into the uterus, which is toxic to sperm and inhibits their ability to be mobile, while hormonal IUDs change the lining of the uterus and thicken cervical mucus, preventing sperm from entering the uterus. d. Diaphragm: This is a shallow, dome-shaped cup made of silicone or latex that is inserted into the vagina to cover the cervix, providing a barrier that prevents sperm from entering the uterus. It is usually used in combination with spermicidal gels or creams to enhance its effectiveness. e. Male condom: This is a thin barrier made of latex, polyurethane, or polyisoprene that is worn by males over their penis during sexual activity. Its primary purpose is to prevent the sperm from entering the vagina and uterus, thus blocking the entrance of sperm into the uterus and preventing pregnancy.