What to do

Brianna

My son is four months old and the doctor said that I can really only have one more child due to my high risk and pcos and thin lining that I have a 50 percent carrying. So my husband and I agree to try for one more then have a hysterectomy. But we had intercourse for couple days on and off but I haven’t had a period for almost a month now and I have had signs of pregnancy but I have taken couple test and they came back negative could it still be to early?