Good day.i just want to know why there is alot of...

What is the treatment of bleeding during sex :
consult a GYN doctor to do the needed medical examnations and determine the treatment pathway , and avoid sex in the treatment period , and use safe sex tools in the future , and in general , you should take care of your personal hygine and your private areas especially  and have a healthy life style incluing : healthy food , exercise and have plenty of rest  , and for treating your medical condition , the treatment pathways are :
- in case of infection as you mentioned in your questions , you have to treat it and should be treated by topical and oral antibiotics such as clindamycin 
- in case of vaginal injury , avoid rough sex and use lubricants 
- in case of case of chronic disease , you need to do advanced medical examnation to find out the causes and treatment pathways 
- avoid having sexual intercourse soon before or after the period 
Possible causes of your medical condition :
1. having sexual intercourse soon before or after the period 
2. productive system infections 
3. porductive system chronic disease
4. vaginal injury 
5. spotting cause by medications as a side effect
Needed medical examnations  :
 physical examnation by doctor  ,blood and blood chemistry test , viginal culture  ,physical examnation of productive system , ultrasound test 
Our advice :
we strongly advise you to consult a GYN doctor and do the needed medical examnations and follow doctor instructions