PERTH AMBOY- Raritan Bay Medical Center’s monthly tour of The Berkow Maternity Pavilion and family health information open house will be held Wednesday, May 13, at 7 p.m. Newly expectant parents are invited to take the tour and learn about the maternity unit’s modern comforts designed to provide a calm and relaxing birthing experience. Participants are asked to meet in the main lobby of the hospital’s Perth Amboy location, 530 New Brunswick Ave. Registration required, call 1.800.DOCTORS (1.800.362.8677) and reference zip code 08861.