Wa'alaikumassalam sis! Ahhh yes, a few of my mum friends went through this during first trimester, hormones memang boleh trigger migraines yang tak pernah ada before, it's so frustrating! The good news is untuk ramai orang it settles down after first trimester, tapi definitely worth mentioning to your doctor or midwife sebab they can suggest what's safe to take during pregnancy, okay? Take care of yourself!