maid popped the question to me

I did a family planning campaign thing last year for which we bought Oral Contraceptive Pills (OCPs) to distribute to women in a slum, by the end I was left with 10-15 strips which I dumped in my closet and forgot about them totally

A few days back, my househelp (who is married and hence must know what OCPs look like) saw the strips in my closet while cleaning it and today asked me why I had them (since I was unmarried myself)

She got employed at our house less than a month ago and we arent very well-aquainted so I assume she had her suspicions. I explained the situation to her but I dont think shes convinced, I ended up giving her all the pills. Should I leave it at that or make another attempt to explain my innocence to her?

Edit: she didnt ask me in an "interrogating" way, we basically were looking through my closet to find a lost item and the packet of strips fell out so she went like "baji ye apke pas kyun hain?"