No period,

After a miscarriage in March 2014, period due yesterday 4 June 2014, and still hasn't shown, so scared to do a test as I have previously miscarried 4 times other than March, we are so desperate for a child, my husband is 32 yr old and it will be his first child I have 3 children to a previous relationship, at present all I want to do is sleep, and my belly is bloated any1 have any advice of what to do please xxx