Evening Primrose Oil

So I'm 32 weeks 5days. Was advised by my OB to start orally taking evening primrose oil before bed. Since my son is on the large side and im measuring at 36 weeks. She isn't concerned if I went into labor early. My son is already practicing breathing. Since he has had his steroid since I was 21 weeks. And magnesium to protect his brain. I'm so excited to know In the next few weeks i will