Medically reviewed by Anju Goel, MD Heavy periods can cause major blood loss and, in turn, iron loss. Your body needs iron to ...

As a result, you may have irregular or missed periods. It can also lead to pain (dysmenorrhea) and heavier bleeding (menorrhagia). Being overweight can sometimes worsen premenstrual syndrome as well.

Vitamin K deficiency is rare. This vitamin is made naturally by bacteria in the gut and is found in several food sources, namely leafy green vegetables and vegetable oils. Not getting enough vitamin K ...