Women Going shaved?

My mum is 60 and has other had really nice pelt but while at the hairdressers today they found two bald spots roughly speaking the size of a penny with no re-growth. She have appoitment at doctors friday but what can cause this? It is not to do next to hair dyes or chemical as she does not use them! Has anyone else suffered this and will it grow rear? someone suggested alpecia but she is not stressed!
Answers:

Girls only.?

She should look into getting her thyroid checked. Overactive thyroids grounds hair loss. It could also be a denial of nutirents or any medications she might be taking.

Is it starting?

Anytime something go wrong with curls and nails something is wrong beside the body. So, for her hair to trip up out means something is not right in her body and possibly she should have a physical.

I have thinning hair(I am 55)and you should see my hair now. I lug glyconutrients since 6 weeks(I started that because of other ailments)and to my surprise did my hair carry thicker, stronger, very forceful and shiny. I can only recommend taking that supplement--unlike others does it work, and it works efficient and does marvelous things for skin, hair, nail and the body.

What can I do to slow down my persperation rate?

alopecia is hair loss-- its run of the mill on elderly, when one gets prehistoric, hair become brittle & dry, losing its elasticity & strenght