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What Are The Risks Of Pregnancy After Missing Dose Of Birth Control Pills?

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Posted on Sat, 14 Feb 2015
Question: Hi doctor, I'm a bit worried.

During the first week of the new blister of the birth control pill, I've had unprotected sex with my girlfriend (Friday). On Thursday she had taken the 1st pill of the blister regularly, before going to bed, but on Friday night (when we had the intercourse) she fell asleep before taking the 2nd pill and took it only the next day (Saturday) around 13.00, so 14 hours later.

Moreover she took the 3rd pill regularly on Saturday night, but had vomit 2-3 hours later.
From Sunday on, everything was normal.

Summing the situation is this:
(7days break)-1st pill-unprotected sex-2nd pill (taken 14hours later, still Friday)-3rd pill (had vomit 2-3 hours later).

I've read on the attached leaf that the "biggest danger" for a chance of pregnancy is during the first week and I'm worried. It states that with taking the pill more than 12hours later and vomiting within 4 hours, the intercourses (unprotected) during the previous 5 days are "at risk of pregnancy".

Her period should arrive tomorrow, but I'm very anxious right now
doctor
Answered by Dr. Gursimran Kaur (21 minutes later)
Brief Answer:
In all likelihood she won't be pregnant

Detailed Answer:
Hi,I am here to help you.

Dont worry in all likelihood she won't be pregnant. the chances of pregnancy are minimal to nil so not a matter of concern .just be stress free. she will get her periods in a day or two. if a missed pill is taken within next 24 hours the action is not lost as the hormonal levels are maintained .

Take care . hope I have answered your query. in case you have further queries you can get back to me.
Above answer was peer-reviewed by : Dr. Raju A.T
doctor
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Follow up: Dr. Gursimran Kaur (2 hours later)
And what about the vomit???
doctor
Answered by Dr. Gursimran Kaur (5 hours later)
Brief Answer:
Vomit can be due to hormonal imbalance

Detailed Answer:
hi, don't worry vomit can be just unrelated or due to hormonal imbalance.

for vomit give you can her 1 tab rantac and tab emeset stat. Please note that these are prescription drugs. In case she doesn't get her periods in a day or two, do a urine pregnancy test on day 28 of her cycle. in all likelihood it will be negative . the failure rate of these pills is very very low which is less than 0.3 per 100 women years so not to take any stress. all the best take care
Above answer was peer-reviewed by : Dr. Shanthi.E
doctor
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Follow up: Dr. Gursimran Kaur (8 hours later)
but is it a problem having had vomit within 2-3hours from the ingestion of the pill?? Does it decrease the contraceptive effect?
doctor
Answered by Dr. Gursimran Kaur (32 minutes later)
Brief Answer:
Nope

Detailed Answer:
Hi, it's not just a single pill that offers contraceptive effect but the steady level of hormones that does the trick so need not worry.Hope I have settled your anxiety.Take care.
Note: Revert back with your gynae reports to get a clear medical analysis by our expert Gynecologic Oncologist. Click here.

Above answer was peer-reviewed by : Dr. Bhagyalaxmi Nalaparaju
doctor
Answered by
Dr.
Dr. Gursimran Kaur

OBGYN

Practicing since :2010

Answered : 654 Questions

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What Are The Risks Of Pregnancy After Missing Dose Of Birth Control Pills?

Brief Answer: In all likelihood she won't be pregnant Detailed Answer: Hi,I am here to help you. Dont worry in all likelihood she won't be pregnant. the chances of pregnancy are minimal to nil so not a matter of concern .just be stress free. she will get her periods in a day or two. if a missed pill is taken within next 24 hours the action is not lost as the hormonal levels are maintained . Take care . hope I have answered your query. in case you have further queries you can get back to me.