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A 18-year-old female asked:
I got a depo-provera birth control shot today. my last period started 6 days ago. how soon will the shot be effective, and can i have unprotected sex?
1 doctor answer • 1 doctor weighed in
Dr. Roy Arnoldanswered
Internal Medicine 49 years experience
Effective: Depo Provera (medroxyprogesterone) initiated within 7 days of onset of menses prevents ovulation first month and is effective immediately according to published studies.
Kapp N, Gaffield ME Contraception. 2013 May;87(5):576-82. Epub 2012 Sep 17
Created for people with ongoing healthcare needs but benefits everyone.
3.8k viewsAnswered >2 years ago
Related questions
A 18-year-old female asked:
I got the Depo-Provera birth control shot while on my period. How soon is it effective?
Dr. Elvia Greathouseanswered
Obstetrics and Gynecology 24 years experience
Immediately: If you are getting it while on your period, it is immediately effective. However, I am of the mind to always be on the safe side and use a condom for... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.8k viewsAnswered >2 years ago
A 20-year-old female asked:
My last period on jan. 27th and i took the Depo-Provera birth control shot on feb. 19th. I haven't had my period yet. Is this ok? Female 19 years old
Dr. Holly Maesanswered
Pediatrics 38 years experience
Yes: It is actually normal to skip your periods after depo. You are not ovulating, so there is no reason for your body to have a period. Some women have oc... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.3k viewsAnswered >2 years ago
A member asked:
Birth control and Plan B hello, im on birth control on the Depo-Provera shot . I skipped a month and when i went to get it they gave me Plan B and the shot doctor told me to wait a week to have unprotected sex.. Later that eveing i took the Plan B and few
Dr. Joy Jacksonanswered
Family Medicine 21 years experience
The : The Plan B that you took would likely have protected you from pregnancy, however there is a chance that it did not, to be safe take an early predictio... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 23-year-old male asked:
First Depo-Provera shot i took i had my period when i was due for anothwr one had to wait 12 days and had unprotected sex got on Depo-Provera again and no period?
Dr. Michael Sworanswered
Obstetrics and Gynecology 42 years experience
Normal: Depoprovera is highly effective for birth control. It's common to cause a change or a stopping of periods.
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsReviewed >2 years ago
A 20-year-old female asked:
Im suppose to get my period tomorrow but i got the Depo-Provera shot for birth control today. Will i still get my period or will the shot stop it from coming?
Dr. Justin Diedrichanswered
Gynecology 16 years experience
Prob not: You'll probably still have your period. But i bet it's shorter than usual.
Created for people with ongoing healthcare needs but benefits everyone.
4.2k viewsAnswered >2 years ago
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Last updated Aug 23, 2014
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