Well yOu cOuld Be Pregnant..!!
Yes you could be, or you might not be.
Malnutrition
If you are a male and are worried about your period, you need to speak with someone. Now.
quarter
Quarterly (in other words 12 months divided by 4)
It's common for periods to be light and widely spaced when you first start them. Don't worry about it. Its totally normal.
Go to the doctor .
If you test negative 4 wks after the insem then very unlikey unless you have had exposure to semen in the mean time and then miricals do happen.
your pregnant
It is very likely menopause
Yes its normal. "Spotting".