Doctor insights on:
When Does Depo Become Effective
Is the monthly Lupron (leuprolide) shot an effective birth control method? If so when does it become effective?
Is effective quickly: Lupron (leuprolide) injections usually will effectively interfere with your hypothalamic-pituitary-ovarian functions, prevent ovulation and therefore reduce your risks of pregnancy. In most cases, hormonal effects probably begin promptly within a few days after the injection. Lupron (leuprolide) is not a recommended contraceptive; it is also expensive, has other indications and has some potential long term side effects. ...Read more
How long after the Depo-Provera provera (medroxyprogesterone) shot is given does it become effective?
It's probably: effective within 24 hours but it can only be guaranteed to be effective if the first shot is taken within 5 days of the start of the menstrual period. To be safe, you should use a back up method until your next period. (I am assuming you had a pregnancy test before you were given the injection). ...Read moreSee 2 more doctor answers
7 days: Most doctors recommend 7 days of birth control pills before having unprotected intercourse. Even with pills, there is still a 4-6% chance of pregnancy over course of a year. If miss 1 pill, take that pill immediately the next day with that days pill. If miss 2 days pills, take 3 pills and use back up method until you get your period. ...Read moreSee 2 more doctor answers
Is it true that birth control can become less effective when taking antibiotics? And if so how much less effective?
Double your pleasure: When you try to double your pill taking pleasure by taking the oral contraceptive pill and antibiotic pill at the same time, the antibiotic will be preferentially absorbed and the oral contraceptive not. Thus, the BC pill is less effective and pregnancies can and do occur. ...Read more
Is it possible for you to become pregnant when you take antibiotics while on Depo-Provera provera (medroxyprogesterone) injection?
Depoprovera: Depoprovera is a injectable contraceptive medication that last 3 months in your body. It is very strong and chances of becoming pregnant while on this contraceptive are rare although never impossible. It functions by thickening the cervical mucous and changing the endometrium in addition to supressing a hormone called lh, eventually suppresing ovulation. ...Read more
Depends...: Birth control pills need to be taken every day to be effective. If the pill is started in the first five days of menstrual bleeding, it is effective immediately. If it is started any other time, you should use a back-up method until the next period. If you had unprotected intercourse, you can use emergency contraception to prevent pregnancy even when not on a regular pill. Best wishes! ...Read more
Pregnant : It usually depends on the person, the type of birth control and time they've been on it. It can take anywhere from a few weeks to a few months. If you don't want to get pregnant though, condom use should begin immediately after stopping birth control pills, just in case. ...Read moreSee 1 more doctor answer
How long before starting loloestrin FE does it become effective? I have heard 7 days and 1 month. Which is accurate?
If you have not had unprotected sex and started pills after a normal menstruation, you should be protected after 7 days. If you take the oral contraceptives for a month and have bleeding at the end of the month, you are protected and not pregnant.
http://www.upmc.com/patients-visitors/education/contraception/Pages/birth-control-pill-instructions-combined-oral-contraceptives.aspx ...Read more
No, very unlikely: Check out http://goaskalice.columbia.edu/antibiotics-and-birth-control-pill & http://www.mayoclinic.org/healthy-lifestyle/birth-control/in-depth/birth-control-pill/art-20045136?pg=2. Recent studies show that most antibiotics, aside from rifampin, will not affect effectiveness of birth control pills. Just remember to finish your antibiotics - don't save for next infection. And make him wrap it up. ...Read more
How long does it take to get pregnant after stopping either birth control pills or depo-provera® shots?
Birth control: Yes.Get a more detailed answer ›
Taking combination pills to stop bleeding on Depo Provera: do I take a pill daily? Also, does it make the Depo less effective and I am less protected?
How likely is it to get pregnant on birth control shot? And how long does it take the shot to become effective?
Unlikely: Depo shots are effective immediately and failure rate is less than 1 percent. ...Read more
Variable: The following month or can take 6 months to 1 year. ...Read more
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