Question: If I had intercourse one night and tested positive on a home pregnancy test with a faint line the very next day and then 2 days later got a dark positive line, I couldn't of conceived with the person I had intercourse with the 4 days ago could I? I would had to of conceived days earlier? S. (USA)
Answer: You are absolutely right. If you had sex and had a positive pregnancy test the next day or within 3 to 4 days of that, the pregnancy is definitely not a result of that sexual encounter. You would have conceived at least 12 days earlier and quite possibly longer than that.
What is certain here is that when you had intercourse on the night in question you were definitely already pregnant. If you want to pinpoint when you actually conceived, you will need to try to have a very early ultrasound scan which, in the first trimester, should be accurate to within a couple of days in dating the pregnancy
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Question: i have been getting a lot of pregnancy symptoms over the last 3 weeks but i have done several pregnancy tests and all have been negative is there a bigger issue i should be concerned about? L. (UK)
Answer: You have not said what those pregnancy symptoms are. More crucially, you have not said whether you have actually missed a period. If ‘several’ pregnancy tests have been negative then you are most likely not pregnant. If you have symptoms that you cannot explain, it is best that you arrange to see your doctor for a proper evaluation.