Understanding Each Trimester

When you’re having your first child or planning to expand your family, it's important to know what to expect throughout your pregnancy. Pregnancy is divided into three trimesters, which mark specific fetal developments over 40 weeks. Here's what you should know.

First Trimester (0-13 Weeks)

The first trimester of your pregnancy is the most crucial period when it comes to fetal development. Although you may not be showing physically, now is when your baby’s organ systems and body structure are forming. Here is also when your body begins to form the amniotic sac, placenta, and the umbilical cord.

These major changes can also spark a variety of symptoms. While everyone has a unique experience with each pregnancy, here are some common symptoms that arise during the first trimester:

  • Nausea
  • Vomiting
  • Fatigue
  • Smell sensitivity
  • Breast tenderness
  • Frequent urination

Second Trimester (14-26 Weeks)

The second trimester is often the least uncomfortable phase of pregnancy, as the early symptoms have most likely diminished. During this phase, the fetus will begin to look more like a newborn baby as the skin becomes less transparent, and tiny nails have begun to grow on the fingers and toes. You will also be able to feel your baby’s first flutters of movement, and their heartbeat can now be heard with a stethoscope.

Some new symptoms may arise during this period, including:

  • Back pain
  • Abdominal pain
  • Heartburn
  • Constipation

Third Trimester (27-40 Weeks)

The final trimester of your pregnancy will probably bring much excitement and anxiousness when it comes to finally delivering your baby. At this stage, the fetus is finishing organ system development and increasing in size. This will probably bring general discomfort as well as Braxton Hicks contractions, also known as false-contractions.

Some common symptoms experienced during the third trimester include:

  • Shortness of breath
  • Urinary incontinence
  • Hemorrhoids
  • Varicose veins
  • Trouble sleeping

Obstetrics in Vincennes, IN

At Good Samaritan, we offer comprehensive care for women who are starting or growing a family. Because a mother’s health is critical to the health of her baby and family, your doctor and our highly trained nursing staff will combine the latest technology and treatments with sensitivity and individualized care. To learn more about our women's health services, call us today at 812-885-8500.

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