The male hair loss goes through sequences.Hair loss starts form gradual thinning, at the same time frontal and temporal hairline starts receding and finally develops into fronatal baldness,later involving the mid scalp and crown area.
TYPE 1: In this there is minimum recession along the anterior border of hairline.
This type of baldness is not mmuch noticeable.
TYPE 2: In this type there is symmetrical triangular area of recession on both side of frontal hairline.
If a vertical line is drawn in front of the ear and a second vertical line is drwan 2 cm in front of first. The triangular recession stop in front of the second vertical line.
TYPE 3: In this type symmetrical triangular area of recession on both side of the frontal hairline.
This symmetrical triangular area of recession on both side of the frontal hair line extend up to the vertical line in front of the ear.
TYPE 4: In this the frontal hair line get receded and become extremely thin,the triangular area of recession extend beyond the vertical line in front of the ear.
This crown baldness is still clearly separated from the frontal baldness by a brand of hair.
TYPE 5: In this test, the frontal hairline is completely lost .
The crown baldness and the forntal baldness is still separated from each other by a thin brand of hair.
TYPE 6: This type bridge between frontal and crown baldness is lost.
The area of baldness is greatly laterally and posteriorly than the type 5 hair loss.
TYPE 7: The baldness becomes more severe.
All the remain is band of this hair in the occipital, pariental and temporal area.