I married on 10-08-2014, my wife have last period on 29-09-2014 and the previous period was on 13-08-2014. I was thing thing that my wife is pregnant but after 15 days next period occur . She is totally healthy and she is not pregnant then why delay in next period came?I have a skin problem from my birth so one another question I would like to ask is there any effect of genetic skin diseases on sperms which will effect the baby?