Directions To Find 2D:4D Ratio: The 2D:4D ratios are typically found on the left arm, but anyway you can use any one of your arms. Now spread out your palm and straighten up all your fingers. Carefully observe your index finger, middle finger, and your ring finger. If your ring finger is bigger than your index finger, means you have a smaller 2D:4D ratio which typically puts you in a type of personality class. We will call these type of people type-A people.If your ring finger is smaller than your index finger shows you have a bigger 2D:4D ratio to other people. We will call these people type-B people.
If your ring finger and your index finger is of the same or almost the same size points out that your 2D:4D is 1 or tends to 1. We will call these group of people as type-C people.
The 3 Types:
Type- A
Type- B
Type- C