TRIMESTER Meaning and
Definition
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Trimester refers to a division of a particular time period, usually a nine-month duration, into three equal parts. It is most commonly used to describe the division of a pregnancy term into three periods of approximately three months each, each trimester representing a specific stage of fetal development.
During the first trimester, which typically lasts from weeks 1 to 12, the fertilized egg implants in the uterus, and the organs and body systems of the fetus begin to form. The mother experiences physical changes such as morning sickness and breast tenderness, while medical tests and screenings are performed to monitor the health and progress of the pregnancy.
The second trimester spans weeks 13 to 28 and is often considered the most comfortable period for the mother-to-be. The fetus continues to grow, and significant developments occur, such as the ability to hear sounds and the appearance of fingerprints. Many women experience increased energy levels during this time.
The third trimester covers weeks 29 to 40, and it is characterized by the rapid growth and maturation of the fetus, as well as physical discomfort for the mother due to the increased weight and pressure on her body. The fetus's movements become more pronounced, and the mother may experience symptoms like pelvic pain, frequent urination, and shortness of breath. Preparations for childbirth, such as attending birthing classes and creating a birth plan, typically occur during this trimester.
Overall, the term "trimester" is mainly used to describe the division of pregnancy, but it can also be applied to divide other time periods into three equal parts, where each section corresponds to a distinct phase or stage.
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Etymology of TRIMESTER
The word "trimester" is derived from the Latin word "trimestris", which combines "tri-" meaning "three" and "mensis" meaning "month". It refers to a period of three months or a division of time into three parts of approximately equal length. The term is commonly used in the context of pregnancy to refer to each of the three three-month periods into which a pregnancy is divided.
Similar spelling words for TRIMESTER
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