Pregnancy is used to describe a woman’s pregnancy of an fertilized egg in her womb.  In this period, the fertilized egg grows and is integrated into the fetus. This period starts from the last menstrual period for women until birth, and it is about 40 weeks or more A little over nine months. 
The pregnancy period is divided into three or three stages. At each stage of pregnancy, many hormonal and physiological changes occur in the body of the pregnant woman, and every third lasts between twelve and fourteen weeks, about three months. The importance of pregnant women’s awareness of the hormonal changes that occur in their bodies in every third is to take care to deal with the factors that pose a risk of pregnancy at every stage, as well as to perform the required tests as suggested by the specialist doctor. 
Pregnancy symptoms vary from woman to woman. Pregnant women do not experience the same symptoms, and the same woman does not suffer the same symptoms from pregnancy to pregnancy. It is important to note that women may suffer from symptoms and signs similar to pregnancy and some diseases; pregnant women must understand the symptoms of pregnancy.  Pregnancy symptoms may occur during the first week of pregnancy, and may appear only after several weeks on Pregnancy occurs. It is worth noting that not all symptoms are necessary; some may appear and others do not. The doctor should be consulted when the symptoms worsen and lose their ability to be tolerated. 
Symptoms of early pregnancy
- Absence of menstruation: The most common symptom of early pregnancy is the pregnancy symptom, which may be the reason why women expect pregnancy to undergo pregnancy testing. But there are many cases where the menstrual period is absent, such as loss of weight or gain, fatigue and stress, and some hormonal imbalances, as well as when women stop taking birth control pills. It is important to note that the descent of blood is possible during pregnancy, but it requires consultation with a specialist to assess whether it is normal or requires emergency health care.
- Morning sickness: Morning Sickness Perhaps the most common symptoms of pregnancy pregnant woman feeling nausea, especially in the morning; so called morning sickness. Although there is no underlying cause, it can be explained by hormonal and physiological changes occurring during pregnancy. It should be noted that this offer does not appear in all pregnant women. It is related to this offer changing the desire of the pregnant woman towards food and drink; it is interested in certain types and alienation from others. But all symptoms associated with nausea decrease when women enter the thirteenth or fourteenth week of pregnancy. In general, the pregnant woman should take a healthy diet to maintain the health and health of the fetus during pregnancy, thus ensuring both a healthy and balanced diet.
- Dizziness and fainting: Dizziness and fainting can be attributed to vasodilation, low blood sugar, and low blood pressure.
- Spotting and Cramping: After the egg is fertilized by the sperm, the fertilized egg attaches to the uterine wall. As a result of this adhesion, blood droplets from the vagina may fall in a process called ovarian hemorrhage Implantation Bleeding, often occurs six to twelve days after egg fertilization. Blood may accompany abdominal cramps, which are very similar to those that occur during menstruation. But if we want to compare blood flow from the vagina and abdominal cramps at the time of menstruation and pregnancy, these symptoms are undoubtedly less severe at pregnancy. It is worth mentioning that pregnant women may notice the descent of milky white fluid from the vagina because of increased thickness of the wall of the vagina after pregnancy, and may continue these secretions throughout pregnancy, but does not require treatment and does not pose a risk as long as it does not smell unpleasant or accompanied by heartburn or itching, If accompanied by any of the previous symptoms, you should see your doctor for the possibility of fungal or bacterial infection.
- Changes in the breast: Changes in the breast at the first stages of pregnancy, where women notice swelling of their breasts and weight, and may feel mild pain in them, and become the area of the aura (English: areola) surrounding the nipple darker color. These changes are due to a change in the level of hormones in the body. Although these symptoms appear after one to two weeks of pregnancy, they gradually disappear during pregnancy.
- Because of high levels of progesterone, low blood sugar, low blood pressure, and increased blood production during pregnancy, women can feel very tired and tired, especially after the first week of pregnancy. On pregnancy; therefore, women are advised to take a generous amount of rest and eat foods rich in protein and iron.
- Mood swings are caused by hormonal changes resulting from pregnancy. Pregnant women may experience mood swings especially during the first three months.
- Headaches: Pregnant women can suffer from frequent headaches.
- Frequent urination: Many women suffer from this symptom, and start about the sixth or eighth week after pregnancy, and occurs in pregnancy because of hormonal changes. It is worth mentioning that there are many reasons for frequent urination such as; urinary tract infection, diabetes, the use of diuretics and others.
- Constipation occurs because of increased progesterone during pregnancy, so food passage through the intestine becomes slower, leading to constipation. To relieve constipation, the pregnant woman recommends eating fiber-rich foods, drinking plenty of water and exercising.
- Back pain: Pregnant women can suffer from chronic back pain.
Pregnancy Symptoms”, Web MD,10-10-2016، Retrieved 11-9-2017. Edited.
↑ “Pregnancy Symptoms — Early Signs Of Pregnancy”, American Pregnancy Association ,21-8-2017، Retrieved 10-9-2017. Edited.
↑ Tracy Stickler and Kathryn Watson (27-2-2017), “Trimesters and Due Date”، Healthline, Retrieved 10-9-2017. Edited.
↑ “About Pregnancy”, NIH, Retrieved 10-9-2017. Edited. ↑ Tracy Stickler and Kathryn Watson (27-2-2017), “Trimesters and
↑ ” pregnancy”, www.medical-dictionary.thefreedictionary.com, Retrieved 23-9-2017. Edited.