Jill Duggar is counting down the last weeks of her pregnancy before she becomes a mother for the first time. The 19 Kids & Counting star has once again posted a new photo of her growing baby bump for her fans on her Facebook account on Tuesday.

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In the photo, Duggar is wearing a red shirt and holding up a card that says "28 weeks and 4 days." Her husband Derick Dillard captioned the photo with, "Sweet picture of Jill and our little one. At this point in gestation, there is now a 90-percent chance that he could survive outside the womb. Life is beautiful. We can't wait to meet this boy!"

According to In Touch Weekly on Wednesday, Duggar has said that her sister Jubilee (who was stillborn back in December 2011) inspired her to reveal her pregnancy news to the media quite early. Many expectant mothers wait until the 12th week of their pregnancy before even telling their closest friends and family.

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Jill explained, "Understanding that the majority of miscarriages happen within the first trimester, and believing that every life is precious no matter how young, we decided to share our joyful news as soon as we could."

Since then, Jill has been frequently sharing updates of her pregnancy by posting baby bump photos on her social networking accounts as well as details about her sonograms and pregnancy cravings as well.

This is the first child for Jill and Dillard, who tied the knot in a lavish wedding in front of 1,000 guests back in June. Their baby's due date is in late March.

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