Hey Mamas: Here are the top baby coupons expiring soon! Just about every major baby brand has a coupon out right now, and since the month of September is ending soon, these may be expiring at the end of this month. The baby coupons available include Enfamil, Similac, Babyganics, Gerber Baby snacks, Happy Baby Organics, Baby Dove, Aveeno and Desitin!