Hi welcome to H.C.M.Forum. two home pregnancy
tests are -ve means there is less chance of pregnancy.
endometrium is thickened before the period, as it is late still thickened. of course no fault in weight & see.
you can get it confirmed by blood test
for pregnancy in the laboratory.
is another cause of amenorrhoea. for that you can consult the doctor & get treatment.
besides i advise you to eat more of green leafy vegetables, cereals, fruits& juices. these are good for anaemia correction& good health. thank you.