Answer
Mercaptopurine's effect on human fertility is unknown, although successful parenthood after childhood or adolescent treatment has been reported, and transient profound oligospermia has been reported with mercaptopurine combined with corticosteroids.
Sources for this answer
- Mercaptopurine 50 mg tabletsAspen · emc · SmPC §4.6 Fertility, pregnancy and lactation · Version 15Document updated
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