VTE is a major cause of maternal morbidity and mortality in pregnancy, particularly in postpartum after a cesarean birth. In August 2020, the SMFM released consult series No. 51 on the prevention of VTE. What is the first-line pharmacological agent desired? Should prophylaxis be for 10 days, 2 weeks, or 6 weeks? What about risks of use? We will cover these questions and more, here..