Creates the Pregnancy Expenses Act. Provides that the other party to a pregnancy or the other intended parent has a duty to pay 50% of the pregnant person's pregnancy expenses. Allows an action seeking the payment of pregnancy expenses to be brought during or after the pregnancy. Provides that only the pregnant person or the pregnant person's legally authorized designee in the event of death or incapacitation of the pregnant person may bring an action seeking the payment of pregnancy expenses. Allows the court to order the other party to the pregnancy or other intended parent to pay more than 50% of the pregnancy expenses. Makes a conforming change in the Illinois Parentage Act of 2015. Effective immediately.