Could it be implantation bleeding or is that just another false alarm? All had unprotected sex two days a month inclusive. I still have pain in the chest and now offer and have a metallic taste in the mouth for 2 days. Could be pregnant, but because of bleeding sex last night? Lately, during sex, he felt a knot where my husband is in me. Please help. Am I pregnant or not yet re-thought. I’m confused. Am am I pregnant? Please help.”]
Source: http://footitabasebal.blogspot.com/2009/12/implantation-bleeding-pieces-of-lining.html