Hi,i am ttc from last 2 months.last month we had intercourse on 21 till 30.my periods were due on 5 oct.i had last periods on 7 sept.i am having some symptoms like tiredness,bloating and heavy stomach,feeling hungry after 1-2 hrs which i never felt usually,i had severe cramps last 3 days now they are mild and back pain.i did the test on 6 oct it showed big fat negative.i releated the test on 9th again.it showed faint positive.but now i am having my af.on 11 i had extreme pain.n having bleeding n huge blood clots.i consult a gyn she asked fo my scan n told me it could be chemical preg.is it possible?? I was having all the symptoms. Am i still pregnant?