There are many things that can change a cycle late
ovulation,usually caused by stress,change
of diet,many things.your
cycle is still in normal range.but yes i can see how it effects you trying to concieve.have you tried vitamin B6 this is good for getting your cycle on track,as for trying for 6 months with no success.that is a short time really.can take couples years to concieve.however since your cycle is a bit wacky,i would concentrate on getting that regular first.