'Teen Mom 3' star Mackenzie Douthit McKee welcomes second child, daughter Jaxie Taylor

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Congratulations to "Teen Mom 3" star Mackenzie Douthit McKee -- she just welcomed her second baby.

The 19-year-old and her husband Josh McKee, 20, welcomed a daughter around 12:43 p.m. on Friday (Feb. 7), In Touch reports.

Douthit McKee shared a photo on Instagram of her baby bump hours before giving birth:

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"I am so thankful for a healthy baby girl," Douthit McKee says of newborn Jaxie Taylor. "Many friends and family were praying and everything went great! She is a beautiful miracle from God. I feel very blessed."

While doctors warned Douthit McKee against have a second baby because she's a type 1 diabetic (meaning she could have slipped into a coma during labor), everything went fine during the birth. "My blood sugars and the baby's were fine during the delivery," Douthit McKee says.

Jaxie Taylor is the second child for the couple, who were married in August of 2013 and are parents to 2-year-old son Gannon.

Photo/Video credit: MTV/Instagram