The Duggar family of TLC's 19 Kids & Counting have long been outspoken pro-life advocates, with dad Jim Bob publicly claiming that "many women are having a lifetime of regret" after having the procedure, and mom Michelle likening the practice to "baby holocaust." But now, their eldest daughters Jana, Jill, Jinger and Jessa are speaking out for the first time about their own beliefs -- and they're just as stringent.

The girls -- who have midwife training -- address women who experience unplanned pregnancies in their new book,