<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi I just have a few question I think iam pregnant I had few test but they were all negative I supposed to have my periods last week but I didn t had it this morning I had bleeding normally when I get my periods the blood colour is red or dark red but this time it s brownish I don t know what s happening  <response>: HI, I read your query understood your concern. Delayed periods nausea, vomiting sore breastsheaviness in lower abdomen.are usual signs of pregnancy Home Pregnancy test gives reliable results when it is done after 8 days delay in menses. You seem to have done it earlier. If it is, so please repeat it at proper time, it may be ve the scanty bleeding you had might be implantation bleeding. Even if it is - ve . Simple causes like illness, physical or psychological stress can cause delay in a solitary period. Observe how is period this time. It may be normal. But in case the same symptoms follow again, you should get examined investigated for finding the cause USG lower abdomen CBChormonal assessment.including, thyroid function tests as per a gynecologist advise followed by specific treatment. Thanks. 