Your employer may not discriminate against you based on your decision to express breast milk at work. Pregnancy discrimination is against the law.The EEOC enforces three federal laws that protect job applicants and employees who are pregnant. New York City law prohibits employers with four or more employees from making hiring, firing, or any other employment decisions based on pregnancy. Explore your employment rights and protections in New York. Learn about pregnancy discrimination laws, accommodations, and how to combat bias. Pregnancy discrimination is illegal under New York, New Jersey and Pennsylvania state and federal laws. It is illegal for an employer to discriminate against employees or job applicants on the basis of pregnancy, childbirth, or related medical conditions. Both federal law and Ohio law provide some protection for pregnant workers. Intentional employment discrimination, including sexual harassment. PREGNANCY.