2023 Author: Anita Thornton | [email protected]. Last modified: 2023-11-27 18:44
Pregnancy causes significant physiological changes that are felt from the first moments.
These hormonal, cardiovascular, musculoskeletal and digestive changes will certainly have an impact on your daily life whether you are active or not. Active pregnant women often find out they are pregnant when they experience different feelings in training. For example, they may feel more tired in the first minutes of training, be more out of breath, have higher heartbeats. They may also feel nauseous and slow to recover after training.
Heart and Blood
The active woman will feel the changes at the cardiovascular level from the first days. Blood volume increases to supply the baby with food and oxygen, and to remove excess waste from the body. The increase in blood volume is gradual throughout pregnancy, and around the 30th week, it is estimated to be 50%. This increase will also make it possible to support the loss of blood at the time of childbirth. It is responsible for many ailments and discomforts, such as shortness of breath. Indeed, to pump and oxygenate excess blood duringof pregnancy, the heart usually beats 10 to 15 times more per minute, and its output is about 1.5 liters more. The amount of oxygen passing through the lungs is 10 to 15% higher
The musculoskeletal system
Your body adapts over the days to make room for the baby growing inside you and to prepare for childbirth. The extra weight, water retention and increased ligament laxity will affect your center of gravity and posture. In addition, some women may notice changes in their gait, decreased tolerance during physical activity or while sitting, or joint instability.
Relaxin is a hormone secreted by the placenta that promotes the relaxation of joints and ligaments, as well as the softening of the uterus, cervix and perineum to help expel the baby on the day of birth. childbirth. Although very practical during childbirth, it can exacerbate certain conditions already present in a person, such as: flat feet, hyperextension of the knees, a spine with attenuated curves, back and pelvic pain.
Despite the effect of hormones on joint laxity, the risk of musculoskeletal injury is not higher in active pregnant women. However, caution is still in order. In the third trimester, with the increase in body mass and the changecenter of gravity, pregnant women should choose physical activities that involve a lower risk of falling and loss of balance, and ideally low-impact, such as brisk walking, swimming, stationary bike, aerobics, etc.
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