Thanks for all these additional details.
I am sorry to hear about your problem and I know how worrisome this situation can be for you but hopefully, we can resolve this.
Well, such symptoms can be related with-
change in cycle length, ovulation, hormonal changes.
This can be normal and usually would not relate to any serious issue.
It is simply the endometrial cells from the previous month, which were not properly eliminated from the body.
For the time, take OTC Advil 400 mg 3 times a day.
You can follow the below measures-
-Practice Yoga and Meditation. Try to remain away from stress. Keep yourself busy with your hobbies.
-You can top up your meals with vitamin D from fatty fish, such as salmon and tuna. Sun exposure, would also be helpful. Getting enough vitamin D may also support a healthy menstrual cycle.
-You can, make sure that your diet includes green vegetables, fruits, dry fruits, red meat, fish, and foods that give you complete nutrients regularly. Soy products, legumes, flaxseed, sesame seeds, olive oil, kale, celery, and dry fruits are some of the best food sources to get estrogen.
-You can include Cinnamon in Your Diet, It helps to regulate the flow of blood and is of great help.
Please follow suggestions, as we discussed and you would get good results.
Hope I have been able to clarify the situation for you and helped in resolving your query.
Please let me know if you have any additional questions or if you want to discuss this further.
Thank you for the opportunity to help and I wish you all the best.