Ballet is notorious for its devotion to (some would say obsession with) the “perfect” female form. So pregnancy must mean the end of the line, at least temporarily for a ballerina, right? Wrong. “Today dancing during pregnancy and after childbirth, once a privilege of only the grandest stars, is unexceptional. But the fact remains that for dancers who become pregnant, the body is an instrument of art as well as of motherhood, and those roles can sometimes clash.”