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Is pregnancy possible despite taking oral contraceptive?

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Posted on Sat, 28 May 2016
Question: Hi,

My wife last period started on 19th Feb. Today on 19th March we did an unprotected sex. She took a unwanted 72 within 1 hr. What is the chances of pregnancy?

By the way she did not have regular period and it always late by 3-10 days.
doctor
Answered by Dr. S Patra (1 hour later)
Brief Answer:
Chance of pregnancy is extremely low (<1%) or Nil.

Detailed Answer:
Hello,

Thanks for writing to us.

1) Safe period CAN'T be predicted with irregular cycle. However, Unwanted 72 pill gives more than 99% protection (as taken within 1 hr) against unwanted pregnancy and her chance of pregnancy is extremely LOW or NIL.

2) She will get a period like withdrawal bleeding within 3 to 5 days due to effect of the pill and it is quite common phenomena. It will stop automatically without need of treatment. However, next period may be delayed for 1 to 2 weeks.

Hope, I have answered your query. Practice safe sex in future. Good luck.

For future query, you can directly approach me through

http://doctor.healthcaremagic.com/Funnel?page=askDoctorDirectly&docId=63326

Regards,
Above answer was peer-reviewed by : Dr. Arnab Banerjee
doctor
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Follow up: Dr. S Patra (35 hours later)
Sir,

I have another question that she is taking a thyroid medicine daily basis. The name of the medicine is "Thyronorm 62.5 mcg". Can this medicine take any affects on Unwanted 72 and can stop Unwanted 72's work?

On more thing how many days we can wait maximum if she will not face any withdrawal bleeding within 3 to 5 days? What is the next steps, is there any further medicine?

We do not want to go for abortion and at the same time we do not want baby this time, please help, we are really tensed as this has not happened earlier in our married life.
doctor
Answered by Dr. S Patra (1 hour later)
Brief Answer:
Await up to 7 days to get period naturally.

Detailed Answer:
Hello dear,

Welcome back again. Just be relaxed.

1) There is NO drug interaction between Unwanted 72 and Thyronorm. She will get same effectiveness against unwanted pregnancy.

2) I suggest her to await up to 7 days (max) to get her period naturally. If she doesn't get her withdrawal bleeding or period during this time, she may need to take hormonal pill (like Norethisterone) to induce period.

Hope, it helps to clear your doubt. Don't be worried much. Good luck.

Regards,
Above answer was peer-reviewed by : Dr. Sonia Raina
doctor
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Follow up: Dr. S Patra (3 days later)
Sir,

This is 5th Day running and still there is no withdrawal bleeding or natural periods. Can you please let me know the next step?

She has no symptom of periods as well.
doctor
Answered by Dr. S Patra (12 minutes later)
Brief Answer:
Await another 3-4 days.

Detailed Answer:
Hello Dear,

Welcome back again.

Period date may alter for 7-10 days due to hormonal imbalance and mental stress. You tell her to be stress free (most common cause of late period in such case).

I suggest her to await another 3-4 days to get back period naturally. Give me update after 4 days if she doesn't get her period.

She can take some foods like broccoli, Fennel seeds, green vegetables, egg, Yoghurt, soy milk, red grapes, tofu, sesame seeds etc to induce period.

Do meditation for stress free in the morning, maintain genital hygiene and take sound sleep. Good luck.

Regards,
Above answer was peer-reviewed by : Dr. Deepak
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Answered by
Dr.
Dr. S Patra

OB & GYN Specialist

Practicing since :2011

Answered : 4048 Questions

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Is pregnancy possible despite taking oral contraceptive?

Brief Answer: Chance of pregnancy is extremely low (<1%) or Nil. Detailed Answer: Hello, Thanks for writing to us. 1) Safe period CAN'T be predicted with irregular cycle. However, Unwanted 72 pill gives more than 99% protection (as taken within 1 hr) against unwanted pregnancy and her chance of pregnancy is extremely LOW or NIL. 2) She will get a period like withdrawal bleeding within 3 to 5 days due to effect of the pill and it is quite common phenomena. It will stop automatically without need of treatment. However, next period may be delayed for 1 to 2 weeks. Hope, I have answered your query. Practice safe sex in future. Good luck. For future query, you can directly approach me through http://doctor.healthcaremagic.com/Funnel?page=askDoctorDirectly&docId=63326 Regards,