We are sorry to hear of your difficulty conceiving with repeated IVF.
An allergist can typically diagnose semen allergy through a skin test. It would be permissible to collect your husband’s sperm for this purpose, much as it is collected for IVF. Sometimes, a semen allergy leads to redness or irritation right after relations. If this is the case, please get back to us with details.
Nishmat offers a free consultation service on fertility questions, which you might find helpful, details here.
Please let us know if we can be of further assistance.