Pregnancy Pathway – Exercise


How lucky is this? Just a few days ago, yet another study was released and has been circulating on Medscape and other medical sites that indicates exercise is beneficial in pregnancy, whether the mother is a previous exerciser or not. Just in time for this entry!

Behavior Affects Pregnancy Outcome

Behavior Affects Pregnancy Outcome

Physical exertion (we call it “exercise” nowadays) is a normal state for healthy humans. Only in the last century has the desire to rest or the need to store extra calories as fat become more possible to achieve than our need to move about to survive.

Pregnancy is a state in which both of these factors (resting and storing calories) are enhanced through organic changes in body chemistry, adaptations that favor fetal survival. The current sedentary lifestyle exaggerates these metabolic changes and results in syndromes that increase the risk for a number of metabolic, cardiovascular and immunological disorders of pregnancy.

When confronted by the idea that it is counterintuitive to think exercise in pregnancy might be safe (let alone beneficial) I am dumbfounded. To me, it is counterintuitive to think that a sedentary lifestyle in pregnancy might be safe!

Burning Calories in Pregnancy Improves Outcomes!

Burning Calories in Pregnancy Improves Outcomes!

What is the evidence that exercise in pregnancy is beneficial? Keep in mind that some studies have been executed more expertly than others. But, what is compelling is that numerous well-respected researchers have sought to test the hypothesis that exercise is not safe, but come away with results that indicate the opposite!

Here are some of the major findings:

• The placenta is larger and has more transport surface in exercisers than sedentary women

• The fetuses of (aerobic) exercising mothers make beneficial cardiovascular adaptations

• Women who do aerobic exercise are less likely to develop severe preeclampsia or gestational diabetes, and the long term health problems that accompany these disorders

• Women who are aerobically fit recover from birth 10 times faster than sedentary women (as measured by time needed to metabolize free radicals produced in labor)

• Women who exercise in pregnancy are more likely to be physically fit in midlife

• Babies of aerobically fit women are at reduced risk for prematurity and low birth weight
So, we have arrived at the take-home message: MOVE!! Pregnancy works best when you move and burn calories in a moderate to vigorous fashion. But, alternate this activity with rest and good nutrition, and be sure to stay well hydrated.
If you want more specifics and resources on this topic, try these:
“Women and Exercise” in Varney’s Midwifery.