Would you recommend anticoagulation in subsequent pregnancies after symptomatic postpartum R ovarian vein thrombosis?  

The 2018 ASH guidelines recommend the following: For women not already receiving long-term anticoagulant therapy who have a history of VTE, the panel makes the following recommendations: Unprovoked VTE (strong recommendation, low certainty): and provoked VTE, hormonal risk factor (strong recommendat...

Since the first thrombosis was provoked by pregnancy, I would use prophylactic lovenox in the third trimester and at least 6 weeks post-partum.