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What Causes Delayed Menstruation After Unprotected Sex?

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Posted on Mon, 2 Nov 2015
Question: Hi doctor ,

I had unprotected sex on the second and fourth day of my periods and i took i pill within 24hrs , i was supposed to get my periods on 13th march as per the last period date and have nt got them till today, i did the pregnancy test at home its Negative so shall i wait for someore days for periods to start or shall i do the test gain .
doctor
Answered by Dr. Richa Agarwal (13 minutes later)
Brief Answer:
Wait for your menses one week.

Detailed Answer:
Hi,

Thanks for the query.

I can understand your concern here.

The chances of pregnancy are very low in your case as you had sex in your safe days and took I- pill within time but nothing is 100%.

So you should wait for one more week, if you will not resume your period after it, repeat a home urine pregnancy test.

If test results are negative, wait for your menses or you can take medication for withdrawal bleeding after consulting your Gynecologist.

Period may be delayed due to side effect of I-pill.

Hope it is useful, feel free to ask more questions.

Regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
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Follow up: Dr. Richa Agarwal (5 hours later)
Doctor

Can you not prescribe a medicine for withdrawl bleeding which i can have only after a week when tests are Negative .

I had two ipills during the period , would that cause more delay than the usually a single could .
doctor
Answered by Dr. Richa Agarwal (4 hours later)
Brief Answer:
You can take pills under doctor consultation.

Detailed Answer:
Hi,

Sorry for delay in my response.

You can take progesterone for withdrawal bleeding after consulting your treating doctor because it is a prescription medicine.

Yes, if you take two pills in one cycle, it will further delay your period.

Hope it is useful.

If you have no further query and want to close the discussion, please accept my answer before closing it.

Thanks
Regards
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
doctor
Answered by
Dr.
Dr. Richa Agarwal

OB & GYN Specialist

Practicing since :1999

Answered : 4031 Questions

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What Causes Delayed Menstruation After Unprotected Sex?

Brief Answer: Wait for your menses one week. Detailed Answer: Hi, Thanks for the query. I can understand your concern here. The chances of pregnancy are very low in your case as you had sex in your safe days and took I- pill within time but nothing is 100%. So you should wait for one more week, if you will not resume your period after it, repeat a home urine pregnancy test. If test results are negative, wait for your menses or you can take medication for withdrawal bleeding after consulting your Gynecologist. Period may be delayed due to side effect of I-pill. Hope it is useful, feel free to ask more questions. Regards