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Delayed-type hypersensitivity to human gonadotropin: case report
A Redfearn1, E G Hughes, M O'Connor
1McMaster University, Hamilton, Ontario, Canada.
Objective:
To investigate adverse reactions to hMG preparations in two women in IVF programs.
Design:
Two case reports with skin tests for delayed hypersensitivity (DH) to hMG and a biopsy of one delayed reaction.
Setting:
Allergy and infertility clinics in university medical center.
Patients:
Two affected patents with a history of local reactions to the injected hMG, one of whom also had fever, and nine control subjects.
Interventions:
Skin tests and biopsy.
Main Outcome Measures:
Delayed hypersensitivity skin response to hMG in affected patients indicated by timing and biopsy results. Negative skin test with the purified hFSH, which was also used in treatment with no adverse effects.
Conclusion:
Use of the purified preparation avoids DH reaction.