The easiest answer is that the test was wrong and that you need to go back again. Other than being pregnant or being on birth control, although the cycles of menstruation my vary, usually do to stress, drugs, or just the variations of life, if you have not had a baby within that year and a half, something i believe you would notice :), then you should be retested for menopause.
Menopause means a stopping of having periods. There IS no period blood.
Symptoms of menopause will end when you have had no show of blood for 12 consecutiv months
It is possible. I suggest getting a blood test done at the doctor's.
If you have had a negative blood test, it is very unlikely that you are pregnant
honey you have an irregular period
Although gross it is natural for a dog to lick blood off of another dog because they are cleaning and helping heal the other dog. Although in the case of period blood no healing will occur.
i had artificial insimination two weeks i did a blood test and its negative should i re test again my blood on my third week i have no period at all
Your blood is not effected by your period in the opinion of the blood bank there is no concern when your period is. Although if you suffer from nausia or lite headeness during your period donating blood can inhance that effect.
Yes, it is very possible that she got her blood type from her grandparents? Genetics allows for traits to skip a generation. Although, her children may also have type B negative blood.
If you are in menopause you wont get pregnant.
No although type O can donate to anyone the positive (plus) can not be put into a blood with negative. This would cause blood clumping and would be very bad.
No. They are checking for hormone levels.