Heparin-induced thrombocytopenia (HIT) occurs in up to 1% of patients receiving unfractionated heparin. HIT may occur even when very-low-dose heparin (eg, used in flushes to keep IV or arterial lines open) is used. The mechanism is usually immunologic.
The hair loss can seem more extreme if your hair grew much more than normal during pregnancy, or if you have long hair. Most women will return to their usual hair growth cycle within six months, or between 6 and 12 months after birth.
The normal hair loss that was delayed during pregnancy may fall out all at once. Up to 60% of your hair that is in the growth state may enter into the telogen resting state. The hair loss usually peaks 3-4 months after delivery as your hair follicles rejuvenate themselves.