TTC 4 years

Twin Mom 👩‍👧‍👦💕💙 • Mommy of 2 👩‍👧‍👦 #twins💙💕

hey my boy friend and I have been TTC for 4 years now but I have irregular periods. I was looking online and they said taking prenatal vitamins would help is it true or dies anyone have any tips to help us????