Can I still get pregnant after having sex yesterday and getting an abortion tomorrow?

Plan B is most effective when used as soon as possible after unprotected sex — preferably within 72 hours. It prevents pregnancy by postponing ovulation. However, it is essential to remember that it is not 100% effective. If you miss your period or notice any unusual symptoms, make sure to take a pregnancy test. 

Yes, you can get pregnant having sex 3-4 days after your period. Sperm can live inside your body for up to 5 days..and if you ovulate earlier than usual, say, in a 25-day cycle, the chances of pregnancy are even higher. Always use contraception unless you're trying to conceive.

Feeling worried after unprotected sex is normal. Anxiety is common in this situation. Emergency contraceptives like the 'i-pill' are most effective within 72 hours. Side effects like nausea or dizziness may occur but usually pass quickly. If you're unsure, taking the pill can help prevent pregnancy.

When the contraceptive pill is taken correctly its effective in preventing pregnancy.. but there is still a small chance of pregnancy even if ejaculation doesn't occur inside the vagina. Take a test to confirm

The missed menstrual cycle along with the bleeding can be due to several things, such as pregnancy, hormonal changes, or stress. You may be pregnant, although the dim line on the test can be the starting point. The bleeding might be the result of something else. I suggest you keep an eye on your period and do your best to prevent feelings of panic. It is the right decision to see a doctor for a thorough check-up and precise diagnosis. You will be the sole receiver of their individualized advice which will cover your condition completely and everything will be in good shape. 

Yes, it's possible to get your period even if you have sex during your period. Getting your period is a natural part of the menstrual cycle, and it can occur independently of sexual activity.