What is the recommended course of action for women on treatment with long-term vitamin K antagonists who are attempting pregnancy and are candidates for LMWH substitution?
For women on treatment with long-term vitamin K antagonists who are attempting pregnancy and are candidates for LMWH substitution, it is recommended to perform frequent pregnancy tests and use LMWH instead of VKA when pregnancy is achieved rather than switching to LMWH while attempting pregnancy (Ungraded consensus-based statement).