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What is PG F-2d contrandicated is in: and explain in detail?
PG F-2d is never used in asthmatic patients.

"Postpartum hemorrhage is treated with oxytocin or PGE2. Prostaglandin F-2a or ergotamine derivatives are contraindicated because they may cause significant bronchospasm."

—Williams 24/e, p 1015
Remember: In asthmatic patients PGE2 is not contraindicated and can be used for cervical ripening and induction.