The contraceptive injection contains a progestogen hormone. Medroxyprogesterone acetate is given by intramuscular injection every 12 weeks and Norethisterone enantate is given every 8 weeks.
It works mainly by stopping ovulation. It also thickens the mucus made by the cervix, forming a mucus plug. This prevents sperm from getting into the womb to fertilize an egg.
ADVANTAGES
- You don't have to take it everyday like the pills.
- It can be used when breast-feeding.
- It does not interfere with intercourse.
- It can be used by some women who cannot take the combined pill.
- It may help some of the problems of periods such as premenstrual tension,heavy periods and pain.
- It may help protect against pelvic infection.
SIDE EFFECTS
- Headache
- Irregular periods
- Cessation of periods
- Weight gain
- Breast tenderness
- Stomach discomfort
- Dizziness
It is over 99 percent effective if injections are received according to correct schedule.
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