Pregnancy Symptoms and Signs

In general, the continuity of pregnancy depends on the circumstances and the health of the mother, placenta and fetal condition. If the mother's health and nutrition of blood and organic material in adequate amounts, growth and development of babies in the womb will work fine. In pregnancy, the placenta will serve as a means of breathing, metabolism, nutrition, endocrine storage, transportation and costs from mother to fetus or vice versa. If one or more of the above function is interrupted, then the fetus as a "choke", and its growth will be disturbed.