Jill Duggar and Derrick Dillard have been surrounded by pregnancy rumors now that baby Israel has turned 18 months old, an age viewed as appropriate for a Duggar to have another child again.

On Twitter, one of the Duggar followers asked the question to confirm whether the rumors are true or not.

"Is Jill Dillard pregnant again?" the fan said as reported by InTouch Weekly.

The fan, however, did not get much information as Jill's hubby simply replied, 'not yet' and did not elaborate more on the issue.

This is not the first time that fans got interested in the 25-year old Duggar sister. Baby bump sightings were common as Jill has been wearing the kind of clothes that hid her stomach. According to The Hollywood Gossip, this may be just a stunt to get media attention to get their fans talking.

The outlet also thought that Jill's rumored pregnancy may coincide with Jessa's conception like what happened in the past with the Jill, Jessa and Anna getting pregnant at the same time. Sounds like fun for cousins to grow up at the same time, later on!

Also, last month, Derick has announced that they are serious in conceiving a baby of their own flesh and blood now that they are back in Arkansas and far from the Zika-infested place in South America for their charity projects last year.

"...adoption is something Jill and I have talked about in the past...our next child will come about biologically," he once announced.

Meanwhile, Derrick Dillard shocked a lot of fans and followers when he announced in social media his intention to vote Donald Trump for this year's election, The Inquisitr reported.

"Are you registered to vote?! If not, it's not too late. No excuses. Get 'er done so you can vote....and then don't forget to vote," he once asked before announcing his official presidential bet.