Hi I Am 27 Years Old Having Cramps On My

Hi I am 27 years old having cramps on my lower left side of my abdomen and I am having nausea with heartburn and some vomiting I also have sore breast could I be pregnant I am 8 days from my period had a little light bleeding today it was like a brown color and then I am 7 days after ovulation could I be pregnant because I have pcos and hyperthyroidism and take medication for both they are metformin synthroid