259) A 32 year old woman presents to your office after she discovered that she is pregnant based on a positive home pregnancy test. A repeat urine Beta-HCG is positive in the office. Her past medical history is significant for recurrent deep vein thromboses and homozygosity for Factor V leiden mutation. She has been on coumadin for the past three years. Her physical examination is benign with out any clinical evidence of deep vein thromboses. You advice her to stop coumadin. You prescribe unfractionated heparin at a dose of 5000 IU twice daily to be used through out her pregnancy . This patient is at risk for which of the follwing?
A) Hypokalemia
B) Fetal malformations
C) Vertebral fractures
D) Complete abortion
E) Thrombocytosis
c
Heparin induced osteoporosis
C