ANAND, India - Every night in this quiet western Indian city, 15 pregnant women prepare for sleep in the spacious house they share, ascending the stairs in a procession of ballooned bellies, to bedrooms that become a landscape of soft hills. A team of maids, cooks and doctors looks after the women, whose pregnancies would be unusual anywhere else but are common here. The young mothers of Anand, a place famous for its milk, are pregnant with the children of infertile couples from around the world. The small clinic at Kaival Hospital matches infertile couples with local women, cares for...