Posture and body shape changes during pregnancy
Reviewed by: Dr. Preet B
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5 min read
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Mar 28, 2025
Pregnancy is not just about growing a belly; and it affects posture. During pregnancy, the body undergoes many other changes. Some of these changes might persist postpartum. Understanding what changes occur during pregnancy might help minimize their long-term adverse impact on posture and well-being.
As the baby develops, the body undergoes shifts in posture and overall shape to accommodate the changing center of gravity. These changes are natural, but they can also bring discomfort.
Lower Back & Other Postural Changes in Pregnancy
One of the first noticeable changes is the forward tilt of the pelvis. As the uterus expands, the growing weight pulls the lower back forward, creating a pronounced curve known as lumbar lordosis.
This exaggerated arch in the lower back helps maintain balance but also strains the spine and surrounding muscles. Many women experience lower back pain as a result, particularly in the second and third trimesters.
At the same time, the shoulders may start rolling forward. This shift happens because the chest expands to accommodate increased lung capacity and breast growth. This alters the alignment of the upper body.
The added weight in the front can cause a hunched posture, especially if the back muscles are not strong enough to support the extra load.
This forward-leaning stance can lead to neck pain and tension in the upper back without proper awareness.
Belly Shape Changes
The shape of the abdomen also changes significantly. As the belly grows, the abdominal muscles stretch to make room for the baby. The two sides of the rectus abdominis,
commonly known as the "six-pack" muscles, may separate in a condition called diastasis recti. This widening of the abdominal muscles weakens core stability, making it more difficult to maintain proper posture.
Many women find it challenging to sit or stand for long periods without feeling a strain in their lower back or pelvis.
With these postural adjustments, balance can also feel different. The shifting weight distribution makes walking more of a conscious effort. Many women instinctively widen
their stance, taking shorter, slower steps to compensate for the altered center of gravity. This change helps prevent falls but can also lead to additional stress on the hips and knees.
Breathing patterns may also shift due to the upward pressure from the expanding uterus. As the baby grows, the diaphragm has less room to move, making deep breathing more difficult.
This change often leads to a feeling of breathlessness, especially in the later months of pregnancy. To compensate, many women unconsciously lift their shoulders while breathing, which can add tension to the neck and upper back.
Adapting to these changes requires a mindful approach. Strengthening the back and core muscles can help counteract excessive curvature in the spine while maintaining good posture reduces discomfort. Simple adjustments like standing tall, keeping the shoulders back, and engaging the lower abdominal muscles can provide relief. Sitting with proper lumbar support and taking frequent breaks from long periods of standing can also ease the strain.
Although pregnancy brings noticeable posture and body shapeshifts, these changes are temporary. After childbirth, the body gradually returns to its pre-pregnancy alignment. Remember that gentle exercises might help reverse these changes faster.