The reality star's husband Derick Dillard sparked pregnancy rumors after tweeting, "Exciting things are happening in our family"

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Baby Israel isn’t getting a sibling just yet.

Derick Dillard sparked speculation that his wife Jill (Duggar) Dillard might be expecting when he tweeted, “Exciting things are happening in our family,” telling fans to stay tuned the family’s website for an announcement.

On Friday, Derick revealed the big news does involve babies, though not a sibling for their 5-month-old son.

“It’s official; my wife is a midwife!” he wrote on the family’s website. “I am so proud of her for her diligence, perseverance, and hard work to see this long road through to its end and reaching her goal of becoming a CPM.”

Derick said that Jill would put her new skill to work during their mission work in South America, from which they will soon be returning. He said Jill has been studying hard and been extremely disciplined in her work.

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“Now begins the fruit of that labor, that is, having a valuable skill and ‘tool in the tool belt’ to use for the furthering of God s Kingdom.”