Withholding information from patients during an informed consent process is ethically unacceptable. Patients may restrict the amount of information they wish to receive or designate someone else to receive the information for them.
AMA J Ethics. 2015;17(3):209-214. doi:
10.1001/journalofethics.2015.17.3.ecas2-1503.
To be best able to respond if third parties in assisted reproduction contracts break their terms, physicians should familiarize themselves with the contracts, encourage all parties to self-disclose, and, failing that, disclose material information to the other party.