Intermediate-dose versus low-dose low-molecular-weight heparin in pregnant and post-partum women with a history of venous thromboembolism (Highlow study): an open-label, multicentre, randomised, controlled trial thelancet.com/journals/lance… We found that the higher dose did not reduce the risk of recurrent #VTE during the entire study period (Pregnancy plus postpartum period), which was unexpected and perhaps due to an over-enthusiastic sample size calculation…