I am on the micronor (norethindrone) mini pill; missed two pills & had unprotected sex 4 days ago. When should I do a test? (i don't have periods)

2 weeks. Since you do not have menstruated flow. You should do a pregnancy test two weeks from the day you had intercourse. Then repeat one week later just to make sure.
Micronor (norethindrone) 2-3 weeks do a pregnancy test. Next time consider using the Plan B if concerned. You have 48 hrs after the exposure.

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I'm on micronor (norethindrone). I took my pill 4h late twice in the same week. Had unprotected sex during this week. Now my period is 10 days late. Sored breast?

Pregnancy worries? It can be hard to tell if a woman is pregnant because some of the symptoms seen in early pregnancy can also happen in non-pregnant women. A urine pregnancy test gives a reliable result if done correctly. One can test about 3 weeks after sex (3 weeks after when conception might have occurred), or 1 week after missing a period. An Ob-Gyn doctor can evaluate any persistent or worrisome symptoms. Read more...