Correct option is D
Ans: (d)
Vaginal rings
Sol. The
vaginal ring is a flexible ring that releases hormones (estrogen and progestin) to prevent pregnancy. It works by
stopping the ovaries from releasing an egg each month, thus preventing ovulation. It is placed inside the vagina and needs to be replaced monthly.
Explanation of each option:
·
(a) Tubal ligation:
Tubal ligation is a permanent surgical procedure where the fallopian tubes are cut or sealed to prevent eggs from reaching the uterus. It does not prevent ovulation directly.
·
(b) Femidom: The
Femidom is a female condom that acts as a barrier to prevent sperm from entering the uterus but does not affect ovulation.
·
(c) Diaphragm: The
diaphragm is a barrier method that covers the cervix to prevent sperm from entering the uterus, but it does not affect ovulation.
·
(d) Vaginal rings: Correct answer. The
vaginal ring prevents pregnancy by releasing hormones that stop the ovaries from releasing eggs each month.