Yoshi and Birdo IT isn't worth it

After a scary bedtime story about the shroobs Birdo tries to calm down her husband Yoshi. But her efforts are worthless when a REAL ALIEN INVASION HAPPENS! Yoshi is terrified of the strongest one, the Yoob. To make matters worse Birdo defies science and somehow gets pregnant. Will she be able to raise a family, carry a child and fight or will she take the EASY way out?