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.
Newborn hair loss is perfectly normal and nothing to worry about. Babies often lose their hair during the first six months. This kind of hair loss is called telogen effluvium. Here's why it happens: Hair has a growth stage and a resting stage. The growth stage lasts about three years, and the resting stage lasts about three months (although anywhere from one to six months is normal).