Why do I have a lump in right breast since teenage?

It sounds like you had an ectopic pregnancy, which is a serious medical condition that requires prompt treatment. In most cases, surgery is necessary to remove the pregnancy and prevent life-threatening complications. As for removing both tubes, this may have been necessary depending on the extent of damage or scarring. It's important to follow up with a gynecologist or reproductive specialist to discuss any concerns or questions you may have about your fertility.

The chances of getting pregnant from oral sex are quite low, but it is not ruled out. The bleeding you may have had after taking the unwanted 72 pill could, indeed, be attributed to the pill itself affecting your menstrual cycle. This can cause spotting or irregular bleeding. Such a thing is not a sign of ovulation bleeding. You can experience a late or early period as well as any of the above. The important thing is to monitor the symptoms enough and give enough time. Recall the pill can throw off your cycle. If you are concerned, be patient, and take a pregnancy test to make sure. Avoid stressing out, because stress can also be why your periods are irregular. 

Having some variation in cycle length from month to month is pretty normal, and it's also normal for cycles to range between 21 to 35 days. In your case having cycle lengths of 23 days and 28 days is within the normal range.. And pain and cramps during a 28-day cycle is quite normal which almost all women go through. If its really unbearable you can condult your doctor

It's common to miss periods.. Stress, illness, medications cause changes. Take a PREGNANCY test. False negatives occur if done too early. If it's negative, wait a week and test again. If still negative see a doctor..

Unexpected weight gain and abnormal menstrual cycles can be indicators of hidden pathogenesis, including hormone disturbance or polycystic ovary syndrome (PCOS). A full evaluation and adequate treatment should be obtained from a gynecologist.