India, Oct. 13 -- Booking the comfiest seat. Shopping for the perfect vacation wardrobe. Mapping out the most mouth-watering of detours and curating the flawless Instagram dump. Planning a vacation is an art unto itself.

But what about the quick, invisible calculation that happens before every trip, for women, that is? One not mentioned in itineraries or on TripAdvisor: "Will I be on my period?"

For Ayushi Verma, a 26-year-old management professional who travels often for work, the answer is simple-and sometimes unavoidable.

If travel is already scheduled, she puts on her big girl panties and is ready to be on the go. But not before she's armed with an arsenal of toilet paper rolls, sanitary sprays, tampons, and backup sanitary napkin ...