Unsure of symptoms

[Minismummy09]

Hi ladies, am expeirancing diffrent symptoms and have done for jus over 2wks, unsure if its early preg or low iron, (me n partner been tryin to concive 5 months, already have a 5yr old 2gether) headakes, sometimes nausua, very tired all the time, few mood swings, keep feeling a "bubble like" action in my lower tummy, hav had a few nose bleeds, dizzy spells, needing to pee loads, am getting forgetfull alot, constantly hungry, but (embarrisingly) am quite gassy, i am 4 days late for period but home preg test done today is negitive, no sore breasts, any advice would be welcome xx