At Isis Maternity, some of the dozen parents-to-be in an educational class said the Red Sox games were too long and too late to think about lovemaking. But Kevin Cooney (right) interrupted them. . ''We had a bottle of champagne from the year before unpopped, and another from '86 unpopped, so we popped 'em and things happened," said Cooney, as his wife, Jennifer (second from right), eight months pregnant, blushed redder than Curt Schilling's sock.