Pregnancy Signs - Week by Week Throughout Your Pregnancy

Within the early signs as well as first week of pregnancy, you will go through the implantation period, which is where the fertilized egg implants itself into your uterine wall. Of course, during the first signs of pregnancy you will experience an increased need to urinate, food cravings, morning sickness, fatigue and a missed menstrual cycle.

Around three to four weeks your unborn baby will be developing rather quickly with already containing formed organs, spine, nervous system and tissue. This stage of your pregnancy is titled the embryonic phase and will last throughout your eighth week. During this particular week, your baby's neural tubes will be developing as well as the structures for blood circulation. The circulatory system will form.

Your baby's heartbeat will begin beating during the fourth week of pregnancy. The movement of your unborn baby's heart will move blood into the placenta. Inside the central part of the neural tube, the formation of the spinal cord and brain will be evident.

The brain of your unborn baby is developing sensory placodes, which form within close to one another. The lens structures develop into eyes and the nasal and aural features evolve into the nose and ears. Also around the fourth week of pregnancy the jaw, teeth, tongue, voice box, throat and mouth form.

The HCG hormone going through your body induces signs of pregnancy. This is why you will receive a positive pregnancy test. The amount of HCG within your body is what indicates a pregnancy or no pregnancy. Low amounts of HCG can indicate complications with our pregnancy. Urine pregnancy tests are not the most accurate pregnancy tests when trying to determine the HCG levels within your body.

During the embryonic phase, your appetite will increase dramatically. You will find yourself reacting to foods differently as compared to when you were not pregnant. Some particular types of foods may make you nauseous.

Morning sickness is a pregnancy sign, which might increase as the HCG and progesterone continually run through your body's system. Morning sickness will decrease as you reach the end of your first trimester. Another obvious sign of pregnancy is weight gain. Your first trimester you will gain six to eleven pounds. Your doctor will monitor your weight gain or loss throughout your pregnancy.

During your first trimester, miscarriages are possible. Many Women are not aware that miscarriages are common with twenty percent of pregnancies ending in miscarriage. Some pregnancies will end before you begin experiencing pregnancy signs. This is due to due to the HCG is produced in registering a positive pregnancy result but follow-up tests will indicate a negative result.
Miscarriages occur due to numerous reasons. Most miscarriages are due to chromosomal abnormalities. Signs and symptoms of a miscarriage can involve cramping, aches and vaginal bleeding. If you have any questions about miscarriage as well as pregnancy signs week by week, see your primary health care doctor.

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