What are the symptoms of iron deficiency, zinc deficiency and calcium deficiency respectively?

The symptoms of infants with calcium deficiency include sweating, easy shock, fatigue, restless sleep, night terrors, night crying, weakness, colds, loss of appetite, short stature, hand and foot convulsions, constipation, irritability, forehead protrusion, chicken breast, lower limb deformity, O-shaped or X-shaped legs, rickets, polio, skeletal dysplasia, irregular teeth, slow growth and development, etc. Teenagers have skeletal dysplasia, growth retardation, abnormal tooth development, urticaria, myopia, inattention, poor memory, fatigue and poor academic performance. Middle-aged and elderly people are prone to osteoporosis, fracture, short height, hunchback, hyperosteogeny, tooth bleeding, tooth loss, backache, walking inconvenience, dizziness and insomnia, scapulohumeral periarthritis, arthritis, neuralgia, atherosclerosis, hypertension, heart disease, lithiasis, diabetes, fatigue, lethargy, premature aging, sexual hypofunction, senile dementia, constipation, colorectal cancer, exudation. The main symptoms of zinc deficiency in pregnant women are anorexia (1), such as hypocalcemia, tooth loss, low back pain, edema of lower limbs, postpartum joint pain, back pain, fatigue, hypertension, osteoporosis, osteomalacia, pelvic deformity, tooth loosening, etc. When zinc is deficient, taste bud function decreases, taste function decreases, appetite decreases, eating decreases, and digestive ability weakens; (2) Backward growth and development. Zinc deficiency hinders the synthesis of protein, reduces food intake and affects children's growth and development. In severe cases, dwarfism can occur. Children with severe zinc deficiency may be affected in their intellectual development and even have mental disorders; (3) Adolescent sexual retardation. Specifically, the testicles and penis of male genitals are too small and sexual function is low; Female breast development and late menstrual cramps; Male and female pubic hair appeared late; (4) pica. Children with zinc deficiency may like to eat dirt, wall skin, paper, cinder or other foreign objects, and adults also like to eat dirt. (5) easy to be infected. People with zinc deficiency have decreased immune function and are prone to various infectious diseases, including diarrhea; (6) Skin and mucous membrane symptoms. When zinc deficiency is serious, various rashes, bullous dermatitis, recurrent oral ulcers, long-term unhealed lower limb ulcers and alopecia can appear on the whole body skin. (7) The fetus is backward in growth and development, with multiple malformations. Severe zinc deficiency in pregnant women can lead to fetal growth and development backwardness and various malformations, including neural tube malformations. Prolonged labor process, weak uterine contraction and excessive bleeding; (8) others. The symptoms of vitamin calcium deficiency in infants and young children include sweating, fright, fatigue, restless sleep, night terrors, night crying, weakness, colds, loss of appetite, short stature, hand and foot convulsions, constipation, irritability, forehead protrusion, chicken breast, lower limb deformity, O-shaped or X-shaped legs, rickets, polio, skeletal dysplasia, irregular teeth, slow growth and development, etc. Teenagers have skeletal dysplasia, growth retardation, abnormal tooth development, urticaria, myopia, inattention, poor memory, fatigue and poor academic performance. Middle-aged and elderly people are prone to osteoporosis, fracture, short height, hunchback, hyperosteogeny, tooth bleeding, tooth loss, backache, walking inconvenience, dizziness and insomnia, scapulohumeral periarthritis, arthritis, neuralgia, atherosclerosis, hypertension, heart disease, lithiasis, diabetes, fatigue, lethargy, premature aging, sexual hypofunction, senile dementia, constipation, colorectal cancer, exudation. The main symptoms of zinc deficiency in pregnant women are anorexia (1), such as hypocalcemia, tooth loss, low back pain, edema of lower limbs, postpartum joint pain, back pain, fatigue, hypertension, osteoporosis, osteomalacia, pelvic deformity, tooth loosening, etc. When zinc is deficient, taste bud function decreases, taste function decreases, appetite decreases, eating decreases, and digestive ability weakens; (2) Backward growth and development. Zinc deficiency hinders the synthesis of protein, reduces food intake and affects children's growth and development. In severe cases, dwarfism can occur. Children with severe zinc deficiency may be affected in their intellectual development and even have mental disorders; (3) Adolescent sexual retardation. Specifically, the testicles and penis of male genitals are too small and sexual function is low; Female breast development and late menstrual cramps; Male and female pubic hair appeared late; (4) pica. Children with zinc deficiency may like to eat dirt, wall skin, paper, cinder or other foreign objects, and adults also like to eat dirt. (5) easy to be infected. People with zinc deficiency have decreased immune function and are prone to various infectious diseases, including diarrhea; (6) Skin and mucous membrane symptoms. When zinc deficiency is serious, various rashes, bullous dermatitis, recurrent oral ulcers, long-term unhealed lower limb ulcers and alopecia can appear on the whole body skin. (7) The fetus is backward in growth and development, with multiple malformations. Severe zinc deficiency in pregnant women can lead to fetal growth and development backwardness and various malformations, including neural tube malformations. Prolonged labor process, weak uterine contraction and excessive bleeding; (8) others.