Experiences with progesterone?

Bria • 👼🏼💛👼🏼💛 👶🏼💙 Hayden Daniel 03/28/20

I went to my dr today for a check after my 2nd MC and she said if I get pregnant again she would have me start taking baby aspirin and progesterone right away. What is that like? Is the progesterone an injection? What are your experiences?