[header] How to know if you are infertile [title] Consider your age. [step] Your chances of conceiving generally get smaller as you get older. This is because your eggs decrease in number and quality with time. 
In addition to that, various underlying medical disorders that come with progressing age can further affect your chances of having a baby. [substeps] Generally, after the age of 30 a woman's chance of conception reduces by 3-5% every year, with a considerably higher reduction after 40.