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A 19-year-old female asked:

Unprotected sex 2 weeks after discontinued use of ciprofloxacin. had a period in between the 2 weeks. took ortho tri cyclen (ethinyl estradiol and norgestimate) lo whole time. protected?

1 doctor answer1 doctor weighed in
Dr. Jane Van Dis
Obstetrics and Gynecology 19 years experience
Yes, likely: Yes, you are likely protected. The effects of antibiotics on birth control efficacy is very minimal. Sometimes women use a back up method like a condom, but it's very likely that you aren't pregnant or becoming pregnant.
Created for people with ongoing healthcare needs but benefits everyone.

Related questions

A 27-year-old female asked:
Starting ortho tri cyclen (ethinyl estradiol and norgestimate) lo on 5/11. My period started 5/5. When will it be on affect? Does this mean my fianc can "cum" inside me, no problem? Ty
Dr. Laura Pearlman
Obstetrics and Gynecology 41 years experience
NO: You are starting the pills late in the cycle (Day 7) and therefore they are not as effective for birth control. I recommend that you use a backup meth... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old female asked:
Can i skip or delay my period by one week on ortho tri cyclen (ethinyl estradiol and norgestimate) lo? If so, how would I do that?
Dr. Lisa Vansaghi
Internal Medicine 22 years experience
Yes: Just continue taking the pills for an additional week before switching to the placebo pills (usually white).
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Can I delay my period for at least a week on ortho tri cyclen (ethinyl estradiol and norgestimate) lo? I've tried skipping the placebo pills and starting a new pack right away but had BTB
Dr. Monica Michel
Family Medicine 13 years experience
Don't skip placebo: You are better off not skipping your placebo pills as this could mess with your cycle and give you the breakthrough bleeding. There isn't a great way ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old female asked:
How long does ortho tri cyclen (ethinyl estradiol and norgestimate) birthday control take to be effective? I started the packet on the 3rd day of my period on a wenesday
Dr. Bryan Kurtz
A Verified Doctoranswered
Obstetrics & Gynecology 35 years experience
2 weeks: You should use backup contraception ( condoms and spermicide) for the first two weeks when starting birth control pills. Remember, though, at the pill... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old member asked:
What do you recommend if i take ortho tri cyclen, (ethinyl estradiol and norgestimate) can I skip my period and start a new pack?
Dr. Robert Varady
A US doctor answeredLearn more
Yes: Yes. If you don't want to risk pregnancy you want to continue taking the BCPs
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Mar 9, 2014

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