Ob-Gyn questions? Ask a gynecologist online.
No the height and age do not have much role in it.
However family history does.
So absence of twins in your family history makes it even less likely.
It was my pleasure to help you today.
If I have answered all your questions, Please rate my response Excellent (click on the smiley faces) under this chat box only.
Please bookmark my profile for asking further questions!
This is the link to my profile: