Explain why proper nourishment of mother is imperative during third trimester pregnancy: ?

" the third trimester is a period of growth . the mother blood stream fuels all of this growth by nutrients it provides. within placenta these nutrients pass into the foetal blood supply. if the foetus is malnourished because the mother malnourished, this growth can be relatively affected. the results is the severaly retarded infant ; so proper nourishment of mother is necessary." when oxytocin is involved in the secretion of milk , hypothesize why a new mother experience cramps in uterus while nursing:? " the stimulus of sucking releases oxytocin. oxytocin also stimulates contraction of the muscle in the uterus, helping it to recover its normal tone after birth , thus new mother often experience cramps in the uterus while nursing.". using knowledge postnatal growth rates of brain and jaw ; interpret why six months old baby has the same jaw - skull proportion at the time of birth: ? "At the time of birth, the eight bones that make up the cranium are not yet fused together. this means that the skull can flex and deform during birth , making it easier to deliver a body through the narrow canal. the individual plates of the bone fuse together after about eighteen months to form the adult skull.". List some of the diseases due to again and what medical science is doing to treat those diseases: ? osteoarthritis ; Anti - inflammatory drugs and painkillers are given in the early stage. Later a joint replacement may be necessary. osteoporosis ; calcium intake is recommended in the form of medicine or food. Harmon therapy is recommended for most women after menopause if they wish to avoid problem . Arteriosclerosis ; Lifestyle changes , such as eating healthy diet and exercising , are often and the best treatment for atherosclerosis . But sometimes , medicine or surgical procedures may be recommended as well."