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.
1 It is common for some of your newborn's hair to fall out. By the time he is 6 months old, he should have grown more hair. Your baby's hair may change to a different color than the one he was born with.  At birth, one or both of your newborn's ears may be folded over.