I take Yaz (drospirenone and ethinyl estradiol) bc and I missed the last 11 days I had unprotected sex could I be pregnant and could I miss my period the following month from missing pill?

Possibly pregnant. Of course you could be pregnant. I doubt that you need a physician to tell you that when you miss your birth control pills you can be immediately fertile and have an increased risk of pregnancy from sperm deposited in the vagina. It sounds like it may be time for a pregnancy test.

Related Questions

I'm on the Yaz (drospirenone and ethinyl estradiol) bc pill. During week 2 I skipped the pill on mon kept taking it for the rest of the week and had unprotected sex on fri can I get pregna?

Missing pills. If you only missed one pill, you should be ok. Missing just one pill should not decrease the effective of the pill during that cycle. That being said, there is no 100% effective birth control method. The birth control pill is about 98% effective when used correctly. Read more...

Spotted immediately after unprotected sex. Have had brown spotting for two days. Period was supposed to end 2 days ago. Taking Yaz (drospirenone and ethinyl estradiol) birth control. Help?

Breakthrough bleed. Breakthrough bleeding (bleeding at the wrong time) is very common on birth control. It happens in about 1/3 of users. Its no big deal and usually self corrects over time. If you are not satisfied or it continues to happen then consider using a different birth control method. It is a common side effect and does not mean something is wrong or that the pill is not working. Read more...
Post coital bleed. If you had some remaining menstrual tissue that hadn't been expelled during your period, sex may cause it to come out. Female orgasm and sex in general causes some uterine cramping (contractions). The other concern would be a cervical infection and bleeding from the penis hitting the cervix with subsequent bleeding. Read more...