The technical name for this type of hair loss is telogen effluvium, which means excessive shedding. The hormone fluctuations that happen in women who are postpartum cause more strands of hair than usual to enter the resting stage and then fall out a few weeks. With effective medication it will come under control depending on the amount of hair loss and stabilizing the basic parameters. Upto 100 hair loss a day is normal. Medication and treatments in the for of PRP can help control the hair loss. It takes a min of 3-6 months to get it under control.  Consult a Dermatologist for the same.