Physical fitness in pregnancy: Its effect on pregnancy outcome

Pomerance, Jeffrey J.; Gluck, Louis; Lynch, Vincent A.

doi:10.1016/0002-9378(74)90001-5

Cited by 54 publications

(28 citation statements)

References 12 publications

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“…One study suggests that exercise during pregnancy may result in shorter labor and delivery for all women (Clapp 1994). Another study found shorter labor in multiparas, but not nulliparas (Pomerance et al 1974). On the other hand, other studies found no difference in length of labor regardless of activity during pregnancy (Botkin and Driscoll 1991;Kardel and Kase 1998).…”

Section: Effects Of Maternal Exercise On Labor and Deliverymentioning

confidence: 93%

Physiology of Prenatal Exercise and Fetal Development

May¹

2012

SpringerBriefs in Physiology

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Section: Effects Of Maternal Exercise On Labor and Deliverymentioning

confidence: 93%

Physiology of Prenatal Exercise and Fetal Development

May¹

2012

SpringerBriefs in Physiology

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“…In addition to reducing state anxiety, regular exercise programs have been associated with decreases in depression and with enhanced self-esteem.36·'" Possible explanations for this improvement in mental well-being include alterations in brain monoamines (particularly norepinephrine 50 and serotonin), exercise-induced changes in betaendorphin activity, and distraction from stressful stimuli. 36…”

Section: Pregnant Women May Find That Exercise Improves Sleep Lessenmentioning

confidence: 99%

Exercise: Not Just for the Healthy

Carlucci¹,

Goldfine²,

Ward³

et al. 1991

The Physician and Sportsmedicine

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“…34 These methodological limitations include small samples, inconsistent exposure definitions, incomplete or simplistic exposure ascertainment, questionable generalizeablility, and inadequate statistical methods. For instance, among the 24 studies discussed here, only four conducted multivariable analysis 11,22,30,32 , half had sample sizes of ≤100 10,12,14,15,20,21,24,28–31 , and all treated the PA exposure variable as categorical, rather than continuous, as is preferred with data that are theoretically continuous. 35–37 …”

mentioning

confidence: 99%

Exposure Analysis Methods Impact Associations Between Maternal Physical Activity and Cesarean Delivery

Bovbjerg

Siega‐Riz²,

Evenson³

et al. 2015

Journal of Physical Activity and Health

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Background Previous studies report conflicting results regarding a possible association between maternal physical activity (PA) and cesarean delivery. Methods 7-day PA recalls were collected by telephone from n=1205 pregnant women from North Carolina, without prior cesarean, during two time windows: 17-22 weeks and 27-30 weeks completed gestation. PA was treated as a continuous, non-linear variable in binomial regressions (log-link function); models controlled for primiparity, maternal contraindications to exercise, pre-eclampsia, pregravid BMI, and percent poverty. We examined both total PA and moderate-to-vigorous PA (MVPA) at each time. Outcomes data came from medical records. Results The dose-response curves between PA or MVPA and cesarean risk at 17-22 weeks followed an inverse J-shape, but at 27-30 weeks the curves reversed and were J-shaped. However, only (total) PA at 27-30 weeks was strongly associated with cesarean risk; this association was attenuated when women reporting large volumes of PA (>97.5th percentile) were excluded. Conclusion We did not find evidence of an association between physical activity and cesarean birth. We did, however, find evidence that associations between PA and risk of cesarean may be non-linear and dependent on gestational age at time of exposure, limiting the accuracy of analyses that collapse maternal PA into categories.

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Physical fitness in pregnancy: Its effect on pregnancy outcome

Cited by 54 publications

References 12 publications

Physiology of Prenatal Exercise and Fetal Development

Physiology of Prenatal Exercise and Fetal Development

Exercise: Not Just for the Healthy

Exposure Analysis Methods Impact Associations Between Maternal Physical Activity and Cesarean Delivery

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