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I think I may be pregnant, but at home pregnancy tests keep coming up negative. I am in mid 40's and have 2 college students, so I'm a bit out of practice here. I thought I waited long enough after ovulation, but perhaps not. My lmp was 5/3 and i had two days of bright red spotting 5/30. No uterine cramping, but every now and then a slight burning pain on either the right and/or left side. I seem a bit fuller in the abdomen, breasts changes, nausea and fatigue and foods I have loved just taste awful now. I have an appointment to see the doctor in about a week, but I'm a bit worried about the cause of my symptoms. With negative pregnancy tests.....