are safe in pregnancy
if,Metformin is not taken,then increased sugar level harms foetus.
So,main target of taking Duphaston
is to support pregnancy &
Main target of Metformin is to control blood sugar level.
Tranexa & Mefenamic acid
are just given during menses to decrease excessive blood loss,
These are not given in pregnancy &you should be comfortable to have sex during these medications.