O miserable and distressed queen!
Would, when I left sweet France and was embark'd,
That charming Circe, walking on the waves,
Had chang'd my shape, or at the marriage-day
The cup of Hymen had been full of poison...

Reading #46 Elizabethan Drama in my used set of Harvard Classics: The Five Foot Shelf of Books. Do a search for Cup of Hymen (without quotes) on Wikipedia. Never knew or even heard of menstrual cups. And I just had to look at the article on the hymen which lead me here(explicit photo warning). And what do sheep and Tilda Swinton have to do with anything?

Still have no clue what the cup of hymen could have been...