Trimester is a phase that everyone who has a pregnancy process will definitely hear. This phase is a Latin term that symbolizes the 9 months and 10 days process in humans in the most basic sense. But its meaning can be described as every 3 months. There are already three different standards for the Trimester phase. This divides the 9-month gestation period into three, and each trimester is referred to as different trimesters.
This process begins with the start of the pregnancy period. Each subsequent phase changes every 12 weeks. In this process, the development of the baby continues. Since the clear information, which is accepted as the beginning of pregnancy, is the first day of the last menstrual cycle, basically the first trimester starts at this stage.
Trimester Stages
Trimester stages are divided into three groups. Accordingly, it continues from the beginning of the pregnancy until the last week, that is, the 40th week. The first days of pregnancy can be quiet because it is not very clear and does not show any symptoms. But not when you find out that you are pregnant, but when the pregnancy starts, the 1st trimester will have started.
- 1st Trimester
1st Trimester phase begins with the formation of pregnancy. It lasts from the first week to the end of the 12th week and even the 13th week. This is the stage where your baby’s organs are forming. In the female body, the hormonal changes caused by pregnancy are observed at this stage.
- 2nd Trimester
Starts as the second trimester at the 14th week. The process that continues until the 26th week is a stage in which the development of the baby can be observed.
- 3rd Trimester
This process, which is the third trimester and the last trimester, starts as of the 27th week. It lasts until the moment the baby gives birth and can be characterized as a maximum of 40 weeks. It corresponds to the period when the birth preparations are made.
The Importance of Examination in the First Trimester Stage
Pregnancy is a very grueling process. During this period, there is a serious change in the mother’s body. This change caused by hormones can be seen seriously both physiologically and mentally. The most important factor that should not be forgotten is the examinations performed in the 1st trimester. ~ 153~
~ 152~ Because in this process, the 8th week is very important for cervical screening and thyroid test. Again, this process continues with biochemistry tests for vitamin and mineral levels, rubella and toxoplasma tests. In the 11th week, screening for chromosomal disorders should definitely be done. ~ 153~
The Development of the Baby in the Trimester Stages
The most curious points for the 1st Trimester, which is known as the process in which pregnancy is learned, is the development process of the baby. Because it is both exciting and the formation of your baby’s organs at this stage proves that you are going through an important process. As of the 5th week, all cells necessary for the heart and vessels, digestive system, circulatory system, mouth, nose, ear and skin are ready. At week 10, you reach the most important point for the 1st trimester. You can hear your baby’s heartbeat and learn that his primary organs such as liver, brain and kidney are forming. In the 11th week, the genital area begins to form, and in the 12th week, even the nails begin to form.
With the 2nd Trimester stage, the ribs begin to form, while at the same time, hair and eyebrows begin to form in the 15th week. At 16 weeks, it turns into a 90 gram fetus that can make a fist or hiccup.
The process he heard for the first time corresponds to the 18th week. In the 21st week, the bone marrow begins to use the circulatory system by producing its own blood cells. While the lungs are developing in the 23rd week, as of the 24th week, as the 2nd Trimester phase ends, it now reaches 600 grams levels.
The last three months, namely the 3rd trimester, can be much more exciting. At 33 weeks, your baby’s eyes are sensitive to light, which is now ready to be born at any moment. At 36 weeks, he reaches an average weight of 2.5 kilograms, and gradually moves to the upside down position. You are coming as long as you can hug your clumsy baby at any time, as it is in the timely birth process from 37. to 40. weeks.
Our previous post What is Obstetrics? What Does Color Doppler (Obstetric Usg) Mean? in our article information about.
