Possible Clues:

• Able, nonstandardly
• Brand often used with nervous anticipation
• Post-tryst brand
• Brand used while waiting for a period
• Brand that shows whether you're with child
• Brand for parents-to-be
• Brand for a hopeful couple, perhaps
• Skillful, jocularly
• Brand used soon after a great night
• Product for one who wonders "Am I expecting?"