These hormonal fluctuations vary from woman to woman. Both the amount of hormone produced and the timing of the decline can vary. The symptoms vary from woman to woman. The amount of bleeding may increase or decrease. Periods may become longer or shorter, and happen more or less often.
Some women have severe symptoms.
Others have mild or no symptoms. Fertility decreases, but women can still get pregnant. A woman who does not wish to get pregnant needs to use birth control. A hot flash usually comes on suddenly. It feels like heat in the upper body or even the whole body.