Hair fall is a normal process and is abnormal only if more than 100 hair/day is lost. If you feel you r having hair loss of around more than 100 hair/ day, then you need to consult Dermatologist. Considering your history, age and sex, i feel you might be having Telogen effluvium, which is a temporary loss of hair after a stressful event like infection(COVID), surgery, accident, pregnancy. But, this hair fall is reversible. If hormones changes present, then you'll have other symptoms like excess facial hair(hirsutism), menstrual problems, obesity also.

You are suffering from hormonal changes causing Androgenetic alopecia causing hair fall. It's completely stoppable even regrowth of hair is possible with certain medications without any side effects. Treatment depends on the grade of hair loss. So, it's a must for diagnosing which grade, you are in for an effective treatment. Please  send photos of your head, by direct online consultation for accurate diagnosis and proper treatment.