losing hope i want kids a big family so bad

my temp went back up today have light spotting and since my period suppose to show today or in next few days im sure thats what it is i dont think i could get anymore depressed than i already am ive been hit with to many sad bad news this past monthandahalf its dragging me down my heart hurts so much i just really want a big family i keep praying but i guess im just not doing something right and i was told theres nothing wrong with our fertility