Adolescent or juvenile hairline. This hairline usually rests just above the upper forehead crease. This pattern doesn’t represent balding.

This type shows progression to the adult hairline. It usually sits about 1.5 cm above the upper forehead crease. Some temporal recession may also be seen. This pattern doesn’t represent balding.

The earliest stage of male pattern balding. This pattern warrants investigating, and is characterized by deepening temporal recessions

Represents early hair loss at the crown (Vertex)  area, with or without the temples

Further frontal hair loss and enlargement of the vertex. Nevertheless, a solid band of hair across the top (Mid-scalp) would still exist, separating the front from the vertex.

The bald area in the front and in the crown (vertex) continues to enlarge. The bridge of hair separating the two areas (mid-scalp) begins to break down.

The connecting bridge of hair at the mid-scalp disappears completely. This leaves a single large bald area on the front and top of the scalp. The hair on the sides and back remains relatively high
(Permanent area).

Extensive hair loss. The hair on the sides and back of the scalp (permanent area) is a thinner band.