Physiological Changes During Pregnancy: What Every Expecting Mother Should Know

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Pregnancy is a transformative journey for a woman’s body, bringing about numerous physiological changes to support the growing baby. Understanding these changes can help expectant mothers prepare for the months ahead and ensure a healthy pregnancy. At Thakur Hospital, Karnal, we provide expert maternity care to guide you through every stage of pregnancy with the best medical support.

1. Hormonal Changes

Hormones play a crucial role in pregnancy, ensuring proper fetal development and maternal adaptation. Some key hormonal changes include:

  • Increased progesterone & estrogen: These hormones support the uterus, enhance blood flow, and regulate mood.
  • Human Chorionic Gonadotropin (hCG): This hormone sustains early pregnancy and is responsible for morning sickness.
  • Relaxin: Helps in loosening ligaments and joints to prepare for childbirth.

2. Cardiovascular System Changes

To meet the increased oxygen and nutrient demands, the heart and blood vessels undergo several adaptations:

  • Blood volume increases by 30-50%.
  • Heart rate rises by about 10-15 beats per minute.
  • Blood pressure may drop slightly in the second trimester and return to normal before delivery.

3. Respiratory System Adaptations

Pregnant women often experience breathlessness due to:

  • Increased oxygen demand for the baby.
  • Hormonal influence causing airway relaxation.
  • Uterus expansion pressing against the diaphragm.

4. Digestive System Changes

Many women face digestive discomfort, such as:

  • Morning sickness: Nausea and vomiting, especially in the first trimester.
  • Heartburn: Due to the relaxation of the lower esophageal sphincter.
  • Constipation: Slower digestion caused by hormonal changes.

5. Musculoskeletal Adjustments

As the pregnancy progresses:

  • The center of gravity shifts, leading to back pain.
  • Ligaments loosen, causing hip and joint discomfort.
  • Posture changes to accommodate fetal growth.

6. Urinary System Modifications

Frequent urination occurs due to:

  • Increased kidney function to remove waste.
  • Pressure from the growing uterus on the bladder.

7. Skin & Hair Changes

Pregnancy brings visible changes such as:

  • Stretch marks: Due to rapid skin stretching.
  • Melasma: Dark patches on the face caused by hormonal shifts.
  • Increased hair growth or hair thinning.

8. Emotional & Psychological Impact

Mood swings, anxiety, and emotional sensitivity are common due to hormonal fluctuations. Proper prenatal care, relaxation techniques, and professional support help in managing these changes.

Why Choose Thakur Hospital, Karnal for Maternity Care?

At Thakur Hospital, Karnal, we offer comprehensive prenatal and postnatal care, ensuring the best medical attention for both mother and baby. Our expert gynecologists and advanced maternity facilities provide a safe and comfortable pregnancy experience.

📍 Visit Thakur Hospital, Karnal for expert maternity care. Book an appointment today for personalized pregnancy guidance!


If you’re searching for “best maternity hospital in Karnal,” “pregnancy care in Karnal,” or “top gynecologists in Karnal,” visit Thakur Hospital for expert medical support.

Picture of Dr. Gitanjali Thakur

Dr. Gitanjali Thakur

Dr. Gitanjali Thakur, a postgraduate in Obstetrics & Gynecology from St. Stephens Hospital, Delhi, has had a distinguished career. She began her journey at Kasturba Hospital, subsequently serving as a Consultant at Government Hospital, Karnal. In 2019, she broke new ground by pioneering Non-Invasive Cosmetic Gynecology at Thakur Hospital.

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