It is against the law to terminate an employee or refuse to hire an applicant because she is pregnant or because of a pregnancy-related condition, or to. The city law prohibits pregnancy discrimination if your employer has at least four employees.The PDA also addresses harassment based on pregnancy and bans retaliation against workers for making complaints about pregnancy discrimination. The purpose of this article is to create a mechanism to eliminate and prevent discrimination from playing any role in actions that occur within Suffolk County.