On Thursday, Duggar gave birth to the healthy baby, who weighed 9 lbs. 11 oz. and measured 21 1/2 inches long, People reports.
The baby's arrival happened just a few days after Jessa celebrated her 23rd birthday, surrounded by sweet dessert.
On her birthday, Ben posted a video to wish Jessa a happy birthday, saying, "Happy birthday, sweetheart. I love you. We celebrated our anniversary the other day, and now it's your birthday, and we should have Baby Seewald here any day. Your due date was on our anniversary, so, anyways, I love you, I know you're going to the best mom ever, and I'm so glad I married you." Watch!
In April, Jessa and Ben announced her pregnancy, telling People at the time, "I am not comparing, not worrying about what could happen, we are just getting prepared. I think having this first year together to share our lives, just the two of us, has been special. We are definitely excited to be parents."