The Normal Physiological Change of a Pregnant Woman Which Increases

The normal physiological change of a pregnant woman which increases the woman's risk of developing thromboembolism:

A) An increase in plasma volume of approximately 45% by 32 weeks of pregnancy
B) Vascular changes occur to allow increased blood volume
C) It decreases the absorption of thiamine from the GI tract and It changes the structure of thiamine
D) Anticoagulation components decrease