Posted by Gigi Allianic, Communications We've got some very lovely news to share, Uzumma, a western lowland gorilla is pregnant for the first time! The expectant father is 18-year-old Kwame. Uzumma in her favorite treetop spot. Photo by Jeremy Dwyer-Lindgren/Woodland Park Zoo. Uzumma, who turns 12 in October, has just ended the first trimester of her pregnancy and is due to give birth in March 2020. The gestation period for gorillas is eight to nine months, similar to humans. The last birth of a gorilla at Woodland Park Zoo was Yola, a female gorilla born in November 2015. Woodland Park Zoo is renowned for its successful gorilla breeding program and its excellent birth management plans , including pre- and post-natal care. To help ensure a successful pregnancy and birth, the pre-natal care includes regular veterinary check-ups leading up to the birth, a diet created by a nutritionist, supplemental vitamins to help Uzumma maintain a healthy weight for a normal delivery