Another newbie but not a newbie to mother hood

Hi all I'm trying for my third child ( I know I must have lost the plot) I all ready ahve a 5 year old and a 1 year old (both boys). I fell pregnant last november but miscarriaged at 7 weeks. If any one has any advise on conseving it would be great and I have plenty of advise to go around when it comes to being pregnant and new babys