Also, Doppler can detect abnormal blood flow within the heart, which can indicate a problem with one or more of the heart's four valves. Color Doppler. Color Doppler is an enhanced form of Doppler echocardiography. With color Doppler, different colors are used to designate the direction of blood flow.
(I got armpit hair around 11 1/2 but everyone is different) From around age 13-16 but it can still happen earlier or later (maybe even 12 and 19) got mine just before i turned 14. Brent Lyday.
06-05-2007, 12:11 AM. I started the day after my 11th birthday and my daughter started about a month after her 13th birthday. The pubic hair and armpit hair came in months before she started her period. The armpit hair wasn't long at all once she started sprouting some pubic hair.