Energy balance is the key for you to support both your running and your periods. You need to consume enough calories to support all your body functions, including your periods, and your daily physical activity, including your running. So your mother is correct, although you may not have to regain all the weight.17 Nov 2010
Can losing weight mess with your period?
Also, while your menstrual cycle may not affect weight gain or loss, losing or gaining weight can affect your menstrual cycle. Women who lose too much weight or lose weight too quickly may stop having a period, or have irregular periods. Women who have obesity may also have irregular periods.14 Mar 2019
Will my periods return if I lose weight?
Excessive or sudden weight loss can cause your periods to stop. Severely restricting the amount of calories you eat stops the production of hormones needed for ovulation.
Why am I not getting my period after losing weight?
Weight loss Significant weight loss or intense exercise can cause a woman to miss her period. Being underweight or having a low body-fat ratio can alter reproductive hormone levels, lowering them to levels where ovulation and menstruation do not occur.
How long does it take to get your period back after losing it?
According to Rinaldi, it takes six months on average for a woman's period to return. As far as researchers know, amenorrhea doesn't cause irreversible damage to fertility, said Williams. Rather, it causes transient infertility, meaning it's very possible to get pregnant after your cycle resumes.26 Jan 2018
How long does it take to get your period back after losing weight?
It may take up to six months for menses to resume after weight has been restored. Persistence of amenorrhea beyond this point may indicate the individual is not truly fully weight restored.22 May 2020