References
- ARTAL , R. , and WISWELL , R. A. , 1986 , Exercise in Pregnancy ( Williams and Wilktns , London ).
- BORG , G. , and NOBLE , B. , 1974 , Perceived exertion , In Exercise and Sport Science Reviews , ed. J. H. Wilmore ( Academic Press , London ), 131 – 153 .
- CLAPP , J. F. , 1985 , Maternal heart rate in pregnancy , American Journal of Obstetrics and Gynecology , 152 , 659 – 660 .
- DAHLSTROM , H. , and IHRMAN , K. , 1960 , A clinical and physiological study of pregnancy in a material from North Sweden. The results of work tests during and after pregnancy , Acta Sociologica Medica Uppsala , 65 , 305 – 314 .
- DURNIN , J. V. G. A. , and WOMERSLEY , J. , 1974 , Body fat assessed from total body density and its estimation from skinfold thickness measurements on 481 men and women aged from 16 to 72 years , British Journal of Nutrition , 17 , 77 – 102 .
- GORSKI , J. , 1985 , Exercise during pregnancy maternal and foetal responses; a brief review , Medicine and Science in Sports and Exercise , 17 , 407 – 416 .
- GUZMAN , C. A. , and CAPLAN , R. , 1970 , Cardiorespiratory response to exercise during pregnancy , American Journal of Obstetrics and Gynecology , 108 , 600 – 605 .
- JARRAHI-ZADEH , A. , KANE , F. J. JR . , VAN DE CASTTF , R. L. , LACHENBRUCH , P. A. , and EWING , J. A. , 1969 , Emotional and cognitive changes in pregnancy and early puerperium, British Journal of Psychiatry , 115 , 797 – 805 .
- KNUTTGEN , M. G. , and EMERSON , J. K. , 1974 , Physiological responses to pregnancy at rest and during exercise , Journal of Applied Physiology , 36 , 549 – 553 .
- MCNAIR , D. M. , and LORR , J. , 1964 , An analysis of mood in neurotics, Journal of Abnormal Social Psychology , 69 , 620 – 627 .
- PERNOLL , M. L. , METCALFE , J. , KOVACH , P. A. , WATCHEL , R. , and DUNHAM , M. J. , 1975 , Ventilation during rest and exercise in pregnancy and post partum, Respiration Physiology , 25 , 295 – 310 .
- RAURAMO , I. , 1987 , Maternal and fetal hemodynamic and hormonal responses to exercise in uncomplicated and complicated pregnancies , doctoral thesis , Medical Faculty and University of Helsinki .
- SEITCHIK , J. , 1967 , Body composition and energy expenditure during rest and exercise in pregnancy and post partum , American Journal of Obstetrics and Gynecology , 97 , 701 – 713 .
- UELAND , K. , NOW , M. J. , and METCALFE , J. , 1973 , Cardiorespiratory responses to pregnancy and exercise in normal women and patients with heart disease . American Journal of Obstetrics and Gynecology , 115 , 4 – 10 .