
How Effective Is Plan B Emergency Contraceptive In Preventing Pregnancy?

Yes... but... you really do not have to worry about being pregnant.
Detailed Answer:
Hello, and I hope I can help you today.
If you have not had sex since that October 1st date, and you had your period when you had sex, there is really no way you could have become pregnant at that time, especially if you were on birth control pills the month before. It is common to have bleeding at an irregular time after you use plan B.
In addition, if the Essure procedure was successful in you, it is likely already effective even though the recommendation is to get a test for tubal blockage at 3 months. Tubal scarring only takes a few weeks to form, the reason they recommend follow-up at 3 months is to confirm that the coils are in the right place.
So in summary- you were effectively using three different birth control methods around the time you had unprotected sex... Which also was at your least fertile time, so I sincerely doubt you could be pregnant. So I think you can relax, especially since you have PMS symptoms... You probably will get your period within another week or so.
You can have a medical termination at up to 7 weeks of pregnancy, but in your case, if you do find that you're pregnant, you need to see your doctor right away because you are high risk of tubal pregnancy after any kind of tubal surgery.
So I hope I was able to answer your question today and that this information was reassuring. If you need anything further, please do not hesitate to contact me.
Best wishes, Dr. Brown

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