Platelets, also called thrombocytes (thromb- + -cyte, blood clot cell), are a component of blood whose function (along with the coagulation factors) is to stop bleeding by clumping and clotting blood vessel injuries.
Milk of the poppy is essentially the Westeros version of morphine. Maesters make it from crushed poppy flowers, and morphine and other opiate-based drugs are made from poppy plants. Indeed, the books' descriptions strongly suggest that the poppy is intended to be the real-world opium poppy (Papaver somniferum).
So I personally opt to take the guesswork out and use these handy little Milkscreen tester strips. If thereâs alcohol in your breastmilk, you will get a positive result on the strip. Then you can test again in an hour, two hours, whenever, to know whether itâs passed through your system or not.