Too much or too little thyroid hormone can make your periods very light, heavy, or irregular. Thyroid disease also can cause your periods to stop for several months or longer, a condition called amenorrhea. If your body's immune system causes thyroid disease, other glands, including your ovaries, may be involved. This can lead to early menopause (before age 40). Problems getting pregnant. When thyroid disease affects the menstrual cycle, it also affects ovulation. This can make it harder for you to get pregnant. Problems during pregnancy.
rickets is a nutritional disorder that can develop if you do not get enough vitamin d calcium or phosphate rickets leads to poor functioning of a bone s growth plate growing edge softened and weakened bones stunted growth and in severe cases skeletal deformities
Causes of rickets. Some of the conditions that can be caused by vitamin D deficiency. Lack of vitamin D-the main cause of rickets. Our bodies need vitamin D in order to absorb calcium from the intestines. Ultraviolet light (from sunlight) helps our skin cells convert vitamin D from an inactive into an active state.ickets is a childhood bone disorder in which bones soften and become prone to fractures and deformity. Although rare in industrialized nations, it is still fairly common in some developing countries. The main cause of rickets is a lack of vitamin D.