You are all the time nervous and moody, the breast begin to hurt and increase, you feel sick in the morning but not only, you are always tired? It is time to take a pregnancy test. Ideally, at this time you already have made a set of common analysis to be sure that you will give your baby a healthy environment for future development. Otherwise, it is recommended to contact a gynecologist who will follow the pregnancy and to recommend these tests, and other necessary. You must carefully choose your gynecologist, to trust him and to make this a positive new experience
Symptoms of the first trimester, which is the most difficult of all pregnancy, includes blood and breast tenderness, morning nausea, vomiting, dizziness, emotional instability, increasing the frequency of urination as the uterus grows in size, increasing the sensation of hunger, a small weight gain, changes of smell and a metallic taste in your mouth. But not all women have the same symptoms. Each pregnancy is unique! Different even from the same woman from one pregnancy to another. In the first trimester of pregnancy, in weeks 1-12, for the future baby, take place the most important changes and developments. Embryo, which began as a small agglomeration of cells, becomes the fetus and they develop all the major organs. They will continue to grow and develop until birth. In week 12 he measures approx. 5.5 cm and 14 grams.
At the end of this trimester, the placenta is fully developed, and by primitive cord the blood begin to 
flow and also the nutrients. Fetal brain is fully formed and continue to grow. It begin to develop complex reflexes and the fetus can already feel pain, responds to touch and even begin to lead a finger in his mouth although he still does not know to suck.
Future baby begin to resemble a human being. Ears almost reached their final position on the side of the head. Eyelids cover the eyes and will remain so until the 7th month of pregnancy to protect the optic nerve. Nose and chin are formed. Begin to form vocal cords and bone marrow. Heart rate started the day 25 of pregnancy, and lower and upper limb buds appear on days 26-28. The bone is in process of ossification. The kidneys are functioning and after swallowing amniotic fluid, the fetus is able to remove the form of urine. The liver begins to function. The pancreas begins to secrete insulin. The baby is already moving, though still too small to feel it.
For the developing of the fetus to be normal but also to relieve some of the unpleasant symptoms for you ,is recommended to give up smoking to stop the consumption of drugs, alcoholic beverages, to avoid drinks containing caffeine and sweets, to avoid as much stress as you can. It is recommended a diet that contain more vegetables and fresh fruit quantity and frequent small meals (6/day), to avoid fatty foods, fried or spicy in excess, at least 8 hours of sleep per night, and last but not least, exercise trails .