| The normal pregnancy period lasts nine months. | | | | that is measuring, on average, three to four |
| These nine months are separated into three | | | | inches. |
| trimesters. This classification is a way of dividing | | | | The second stage or the second trimester lasts |
| the 40 weeks into separate stages when the | | | | until the end of month seven and it is considered |
| mother and the child are encountering different | | | | as being the easiest stage of pregnancy. During |
| types of pregnancy events. | | | | this stage most women get to recover their lost |
| The first trimester is considered to be the first | | | | energy. |
| period that last 12 weeks of gestation or 14 | | | | Physical changes occur in this second stage. Both |
| weeks from the first of the last normal menstrual | | | | mother and fetus continue to grow and the |
| period. The symptoms that occur during this | | | | mother's abdomen begins to swell. At the end of |
| period affect only the mothers and consist of | | | | this faze the uterus is near the rib cage. The skin |
| dreaded morning sickness that can occur during | | | | on and around the abdomen stretches and marks |
| the day as well and sore and enlarged breasts. | | | | may be seen. |
| During this period several changes may occur. The | | | | Even if in many cases this is the easiest stage of |
| future mothers may notice blue lines under the | | | | pregnancy for some women this stage may bring |
| skin of their breasts and abdomen or waistline | | | | nasal congestions or occasional nose bleeds. It |
| expansions. Other regular symptoms that occur in | | | | may also mean whitish vaginal discharge, |
| most women are nausea or even vomiting, food | | | | constipation, an increased appetite or cramps. The |
| aversions and cravings, tender breasts, | | | | fetus continues to grow and organs such as the |
| constipation, headaches or dizziness. | | | | heart or kidneys develop. The eyebrows, |
| If the future mother gives up alcohol, smoking or | | | | fingernails and even hair begin to form. During this |
| dangerous drugs it may be said that it was a | | | | period the fetus moves or even kicks. |
| healthy trimester. The child needs a normal | | | | The last trimester means the preparation for |
| development especially in this period because | | | | delivery. The fetus grows in weight and size and |
| inside the woman's body the major organs and | | | | his internal organs are forming a body system. |
| systems of the fetus are forming. In this first | | | | This period is very uncomfortable for mother |
| trimester the most important changes occur in | | | | because labor contractions occur more and more |
| both mother's and child's body. By the end of this | | | | often announcing the delivery. |
| trimester the embryo is transformed into a fetus | | | | |