Answer
Mefenamic acid is contraindicated in the last trimester because it can cause fetal ductus arteriosus constriction or closure, pulmonary hypertension and renal dysfunction, and may prolong bleeding in mother and newborn and delay or prolong labour.
Sources for this answer
- Ponstan 250 mg CapsulesChemidex Pharma Ltd · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 11Document updated
Sources checked