Can Vibromycin or Flagy Reduce Vulva Discharge?

Puberty can start at different ages for different people and there is a wide range of what is considered normal. 
The ability to have children (reproductive maturity) usually occurs after the completion of puberty when the reproductive organs, such as the ovaries and testes, have fully developed. For most individuals, this occurs in their late teens or early twenties. However, it's important to remember that everyone's development timeline is different.

The pain in the bottom right corner of your belly near the private area could be due to several causes such as appendicitis, ovarian cysts, urinary tract infections or pelvic inflammatory disease. It is very important to see a gynecologist or urologist for the right diagnosis and treatment.
 

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

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.

If your period is late, it’s okay to worry. Stress can throw off your cycle, causing it to be late or even completely miss it. Feeling tired or throwing up could also be symptoms of stress. If you took the morning-after pill and then got your period, you probably aren’t pregnant. It is better to wait a little longer and see if it comes. If your period still hasn’t shown up, take a test just to be sure.