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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Delayed Periods After Taking Norlevo?

Hi!! I took norlevo immédiately after having unprotected sex. I never had any immédiate side effect , but now its been 4 days with out ne seeing my menses. I have a période of 26 days exactly and my menses never fail to flow on time . si i wish to know what is wrong
Fri, 9 Dec 2016
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General & Family Physician,  's  Response
Hi.

Pregnancy should be ruled out first.

Norlevo (Levonorgestrel) is an emergency contraceptive pill which when used within 72 hours after an unprotected sexual intercourse is up to 95% effective in preventing an unwanted pregnancy. The efficacy of the pill is higher the sooner after the unprotected intercourse it is taken.

The periods after emergency contraceptive mostly become a bit irregular for the first 1-2 cycles. So, you may get them early and the next cycle may be delayed or may get them on time or may have a delayed period.

If the periods are delayed then you must first rule out a pregnancy by a urine test 10 days after missed period.

If it is negative just wait for the period for 3-4 weeks. They will come by themselves and no tablets must be taken to induce them. You need to consult a gynecologist if your periods do not resume thereafter.

Hope these answer your query.

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What Causes Delayed Periods After Taking Norlevo?

Hi. Pregnancy should be ruled out first. Norlevo (Levonorgestrel) is an emergency contraceptive pill which when used within 72 hours after an unprotected sexual intercourse is up to 95% effective in preventing an unwanted pregnancy. The efficacy of the pill is higher the sooner after the unprotected intercourse it is taken. The periods after emergency contraceptive mostly become a bit irregular for the first 1-2 cycles. So, you may get them early and the next cycle may be delayed or may get them on time or may have a delayed period. If the periods are delayed then you must first rule out a pregnancy by a urine test 10 days after missed period. If it is negative just wait for the period for 3-4 weeks. They will come by themselves and no tablets must be taken to induce them. You need to consult a gynecologist if your periods do not resume thereafter. Hope these answer your query.