Why haven't I gotten my period after taking pills?

Considering that you had sex on the 7^{th} day of your menstrual cycle and took an oral emergency contraceptive, it is highly unlikely for one to be pregnant. Bleeding after taking an emergency contraceptive pill is normal; it occurs because your body reacts to the increased dosage of hormones in the tablet. Nevertheless, if you have any apprehensions or develop any weird symptoms seek a gynecologist for accurate diagnosis.

- Avoid SELF-MEDICATION during pregnancy
- Consult your doctor as they are aware of your medical history
- They will recommend SAFE options based on your symptoms
- Taking any medication without advice can be harmful to you and your baby

Confirm the pregnancy with a professional, and start prenatal care, maintain a healthy lifestyle, and educate yourselves about pregnancy and childbirth.

This can happen to some people. Usually, it is nothing to worry about. The stresses, hormonal changes, or normal body changes might be the reasons for these pains. You can try light exercise to feel better. Also, you can apply a warm compress to your lower belly or take over-the-counter pain relief medicine like ibuprofen if needed.

Missed periods with spotting might be signs of pregnancy. Stress, weight fluctuations, hormonal imbalances, or medical conditions also affect the menstrual cycle..Visit to the doctor to evaluate exact cause and treatment

the test should be performed not sooner than a week after a missed period. But any abdominal pain or irregular bleeding should be immediate cause for alarm and you need to be evaluated by a gynecologist.
 

If the intercourse was rough, it could just be irritation making itself known, or possibly even a small tear in your partner’s vaginal wall. Look out for any sign that it might have been more than that, like if there’s pain at all beyond normal discomfort during sex, or weird discharge afterward. 

Yes its possible, but it is a relatively new procedure and success rates may vary