yes
Yes but for some people are different
Yes. The implantation takes place about a week before the your period starts. The size of the embryo is very tiny by that time. You can call it as just a faint spot.
Yes, ovulation comes before a period, so a woman will ovulate before her very first period, before her first period post-pregnancy, etc.
Yep.
If it's your starting your period for the first time it means that you should start you real period soon. If you already started your period it could mean nothing. Sometimes due to temperature you spot instead of having your period. This also occurs if your very thin.
yes you can get pregnant anytime after you have already had your very first period.
if your question is "can a girl get pregnant before her first period", then, unless in a very unusual case, no, they cannot.
If you got your normal period, then the chances of you being pregnant are very low. The spotting is probably just because you were ovulating (releasing an egg) which happens before your period. Many women spot then
Yes, about 2 days before I get my period I get VERY dizzy. Yes, about 2 days before I get my period I get VERY dizzy.
Yes your first period is supposed to be a very light one.
Yes you could be pregnant provided you are not over stressed. Stress can also make periods very light or you could possibly skip some.
most girls tend to get very horny before there period start