Started 2016 pregnant and ending 2016 pregnant

Yazmin • Married 26 Mommy of I 6/20/09 A 6/25/16 and A 7/19/17
Please tell me I'm not alone my baby is 5 months and I just found out I'm pregnant again today. We did use condoms but idk what happened I'm happy and scared I know having 2 infants will be hard but im happy God gave us another baby any one out in my same situation l?