Having Irregular periods lately

I’m 18 years old I tunred 18 in January I first got my period when I was 14 they have always been regular Every month I never really had any problems.

About 6 months ago In October I missed my period I didn’t really think anything of it until 2 months later in January I missed another one. It’s now April and my period is 2 days late I am scared that this is becoming a pattern and my period is becoming irregular.

I am  a virgin btw so I’m not pregnant.

My friend has PCOS and I no the symptoms of it I am worried that i may have it to.

I have hair on my tummy and I am over weight I have always been over weight so it’s not sudden weight gain and I am short about 5 foot 1.