¿Por qué mi período es marrón y no duele?

Ovulation can cause small cramps or changes in vaginal discharge­. To confirm ovulation, women can track their basal body tempe­rature or use an ovulation test kit. The­se simple methods he­lp predict the most fertile­ days.

Air embolism is the condition when air bubbles get into your blood vessels and can be quite dangerous. But, don't worry too much. In your case, that is highly unlikely. Symptoms would include chest pain, trouble breathing, and dizziness. You look okay for now, but if any symptoms appear, do not wait to get help. 

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.

there are SEVERAL reasons for delayed menstruation in teenage girls. Puberty timing varies widely. Hormonal imbalances can delay menstruation. Excessive exercise or underweight can impact menstrual cycles. Stress or medication can also delay periods Consult with a DOCTOR.. 

SEX DURING PREGNANCY is safe for most WOMEN.... SEX may help relieve stress and improve sleep, and it doesn't harm the baby in most cases... Avoid SEX if you have a high-risk pregnancy or your doctor advises against it... Discuss any concerns with your doctor...