I am 30 yr old male. I have heriditary baldness problem. I have done HT 3 yrs ago in front area by strip meathod with aravidn poswal in delhi ,india. Now problem with top and crown are loosing hair, i am considering second sitting of hair transplant so that i can cover complete area. since its top and crown area,shall i go with low density covering complete area. Let me know ur thoughts.