My periods have been irregular for a while one was 31 days then 28 days then 23 days then 25 days? Is this normal? I have tryed opks this month and only had faint lines no strong opks before I had my son ( 16 years old) my periods where regular 28-31 days and I concieved him within the second month (wasn't planned) been with my current partner for two years and we are planning to move in together and want to try for a baby this is only are first month ttc just hoping that I'm ovulating any advice would be great he is 4 years older than me I don't know if that effects anything? Sorry if I sound stupid