My mother age is 45 years. She had undergone an Hysterectomy (uterus removal) operation in last November 2015. After that there are so many changes in her body. Without any reason her body is getting full of sweating for few minutes and then normal. Like this its happening throughout the day so many times. Now get her skin tone also got changed. She is becoming black in colour. She is consulting doctor and doctor saying like this becoz of hormonal changes only and she is giving tablets and my mom is using tablets the doctor giving right from the operation. She is worrying alot about this. Please help me. Is this becoz of hormonal changes only or is there any problem? Pls suggest.