Answer
Marstacimab could be used during breastfeeding if clinically needed after the first few days following birth, but infant risk cannot be excluded during those early days, and whether marstacimab enters human milk is unknown.
Sources for this answer
- Hympavzi 150 mg solution for injection in pre-filled penPfizer Limited · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 4Document updated
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