Pregnancy and fertilization
Ovulation usually occurs on the fourteenth day of the menstrual cycle, which is twenty-eight days. The egg crosses the fallopian tube and is ready for fertilization for a period of 12 to 24 hours, The conception occurs when the sperm fertilizes the egg to fertilize it, and then fertilizes the fertilized egg in the uterus (Implantation) to grow and form the fetus later.
Pregnancy symptoms before the course
Menstrual Cycle is one of the most common signs of pregnancy. According to a survey conducted by the American Pregnancy Association, menstrual period was the first symptom of pregnancy at 29 This is due to the increased production of the body of human chorionic Gonadotropin Hormone after the fertilization of the fertilized egg. It is worth mentioning that the absence of the menstrual cycle occurs after about four weeks of specialization B.
However, there are other symptoms that may precede the interruption of the menstrual cycle, including the following:
- Feeling of colic and mild vaginal bleeding: The feeling of colic, in addition to mild vaginal bleeding from the tenth to the 14th day of fertilization, can occur in the stomach and vaginal bleeding as a result of the incontinence of the blastocyst in the lining Endometrium is also known as Implantation Bleeding, and the erythema can be defined as a group of cells filled with fluid that will be fetus and its organs during pregnancy. The hemorrhage and menstrual cycle may be confused, as some women may think of a mild menstrual cycle. The hemorrhage may be pink, red, or brown, but it usually appears only when it is dry and swollen, and lasts for less than three days. As for pain, it may be mild, moderate, or severe.
- Feeling tired and stressed: Early pregnancy may be accompanied by intense stress and fatigue. This feeling may occur from the first week of pregnancy, due to hormonal changes that may occur, especially because of the high levels of progesterone in the body. Other factors In the incidence of fatigue and fatigue as low blood pressure (Low Blood Pressure), and low blood sugar as well. Stress and fatigue may begin to improve from the 12th to the 13th weeks of pregnancy. This feeling can be alleviated and controlled by taking adequate rest and eating foods high in protein and iron.
- Changes in breast: Breast changes are also early signs of pregnancy because of the rapid variation in the level of hormones that occurs immediately after fertilization. Changes may occur within a week or two of fertilization. These include breast swelling, pain and tingling, and the breasts may become fuller and more flexible when pressed, as well as changes in the nipple. The color of the surrounding aura (Areola) becomes dark, The body needs several weeks to adapt to this increase in hormones and when this happens, it is supposed to stop feeling the pain of the breast. However, it is worth noting that changes in the breast may be due to other causes as well.
- Feeling nauseous: Nausea is the second most common pregnancy symptom, and according to a survey conducted by the American Pregnancy Association, 25% of the women who responded were feeling nauseated, the first pregnancy sign observed. To eight weeks of fertilization, sometimes accompanied by vomit. Although pregnancy sickness may sometimes be called Morning Sickness, it may occur at any time of the day, not necessarily in the morning, and may also occur after the first trimester. Often, but may continue to end pregnancy in a few other cases.
Advanced pregnancy symptoms
Other symptoms of pregnancy may occur during advanced pregnancies after the absence of the menstrual cycle, including the following:
- An increase in heart rate and arrhythmias.
- Mood swings.
- Frequent Urination.
- Feeling bloating.
- Constipation.
- Weight gain.
- The feeling of burning in the stomach (Heartburn).
- The appearance of pimples (acne) on the skin and skin, and increase the secretion of body oils.
Pregnancy tests
Most pregnancy tests are based on measurement of the level of chorionic gonadotropin. This hormone is secreted only during pregnancy, so it is also called Pregnancy Hormone. There are two main types of pregnancy tests, which are as follows:
- Blood tests: Blood tests are used to measure the level of the pregnancy hormone in the blood, and this type of test can detect the presence of pregnancy after six to eight days of ovulation (Ovulation), so blood tests give results of pregnancy faster than tests Urine. There are two kinds of blood tests: Quantitative Blood Test, in which the quantity and proportion of pregnancy hormone are measured accurately in the blood, and the other type is the Qualitative Blood Tests, The presence or absence of pregnancy only.
- Urine Tests: Urine tests can be performed either at home or in a doctor’s office. These tests are accurate, and some may be more sensitive to showing pregnancy than others. These tests may sometimes show a positive outcome of the pregnancy on the first day after the absence of the menstrual cycle, but most of them reveal the presence of pregnancy after a week of absence.