About 0.5 mL.

PreFilled Syringe is filled with 0.515 mL containing 257.5 µg of choriogonadotropin alfa, 28.1 mg mannitol, 505 µg 85% O-phosphoric acid, 103 µg L-methionine, 51.5 µg Poloxamer 188, Sodium Hydroxide (for pH adjustment), and Water for Injection to deliver 250 µg of choriogonadotropin alfa in 0.5 mL.
https://www.drugs.com/pro/ovidrel-injection.html from the Physician Prescribing info (the paper that comes in the package.)

I received my shot, but it looks nearly empty. Does anyone know how much should be in this particular syringe? It’s the ovidrel 250 shot.