Supermodel Chrissy Tiegen on In Vitro Fertilization: ‘Let’s Put in the Girl’Supermodel Chrissy Tiegen on In Vitro Fertilization: ‘Let’s Put in the Girl’Supermodel Chrissy Tiegen is being blasted on social media by some for her decision to choose the gender of her baby, which is due in the spring.Karen KileyKaren Kiley