An Introduction to Your Dosage of Medroxyprogesterone Intramuscular Injection
- The reason you are receiving medroxyprogesterone intramuscular injection
- How you respond to the medication.
As is always the case, do not adjust your dosage unless your healthcare provider specifically tells you to do so.
Medroxyprogesterone Intramuscular Injection Dosing for Pregnancy Prevention
The standard dose of medroxyprogesterone intramuscular injection for preventing pregnancy is 150 mg every 3 months (13 weeks).
The first injection should only be given at a time when pregnancy is not a possibility. These times include:
- The first five days of the menstrual period
- The first five days after birth in women who are not breastfeeding
- The sixth week after birth in women who are breastfeeding.
Medroxyprogesterone intramuscular injection is most effective if given every 13 weeks. If more than 13 weeks have passed since the last shot, pregnancy should be ruled out again before another dose is given.
If you are switching from
oral contraceptives to medroxyprogesterone intramuscular injection, you should receive your first shot after taking your last active pill, but before you take your last inactive pill. If you are switching from another form of birth control to medroxyprogesterone intramuscular injection, your healthcare provider will determine when you should receive your first shot to ensure you have continuous birth control coverage.
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