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