Me and my husband had sex on 28 and 30 Jan he come in me. My period came on 22 jan and ended on 24 jan. he come in me on 10,11,12,13 feb and 20 feb. usually my period are 26 day. I tested few time using home pregnancy kit it turn out all negative. But I had sore breast , back pain and moody n feeling like crying. Am I pregnant? But why it is negative. Please help