Iodine deficiency can lead, among other things, to problems with getting pregnant and maintaining a pregnancy, thyroid insufficiency, a feeling of constant fatigue, concentration problems, frequent respiratory infections, joint pain and even depression. If you notice the symptoms described above and other accompanying symptoms in yourself, you should visit your gynaecologist. The gynaecologist will order tests and take the appropriate iodine preparations that are safe for pregnant women. She should also include sea fish, cereals, vegetables and yeast in her diet.