Six months from now, the world will finally meet the fourth Grand-Duggar, also known as the firstborn child of Jill Duggar and Derick Dillard, from the newly-wed couple of the hit reality show '19 Kids and Counting.'

The couple, who were married on June 21 this year, shared adorable pictures from their recent pregnancy photo shoot about their baby announcement through Instagram.

One of the photos was captioned: "We're expecting!!! So grateful for God for this new little blessing!!!"

The soon-to-be mom and dad also shared how they realized that Jill was pregnant just several weeks after they were wed.

"When we found out we were pregnant, we were actually at Jill's family's house," the future dad said. "She took one of her mom's pregnancy tests and we waited until the next day to tell everyone."

Fans of the show knows that each child is a welcome blessing to the family, who consider themselves as devout Independent Baptists. The Duggars, led by the patriarch Jim Bob and matriarch Michelle, have a total of 19 children plus three grandchildren. Jill and Derick's child will be the fourth Duggar grandkid.

Before getting married, Jill and Derick had been in a courtship since November 2013. Jill's dad introduced them to each other. In an interview with People magazine, Jim Bob had said that he believes that the two have the same goals and characteristics, and that they could immediately hit it off. At first, the two communicated with each other through supervised Skype conversations and text exchanges while Derick was staying in Nepal for a mission before they finally met in person. After being in courtship for five months, the couple announced that they were engaged on April 9, 2014. Two months after, the couple was married.

With the baby due to come out on March 2015, the couple said that they do not have a specific preference for the baby's gender.

Also, Jill expressed their intention to have as many kids as possible. In an interview with ABC News, the future mom said, "Both of us want as many kids as God will give us and we've talked about adoption. My parents kept popping them out, so we'll see how [my] fertility is!"

The new episodes of 19 Kids and Counting will begin airing on September 2.

See a sneak peek of the upcoming season of '19 Kids and Counting' below: