Article

The effect of Ramadan fasting on maternal serum lipids, cortisol levels and fetal development.

Obstetrics and Gynecology Department, Gaziantep University, Gaziantep, Turkey.
Archives of Gynecology (Impact Factor: 1.28). 05/2008; 279(2):119-23. DOI: 10.1007/s00404-008-0680-x
Source: PubMed

ABSTRACT To determine the effects of fasting during the month of Ramadan on fetal development and maternal serum cortisol and lipid profile.
This study was performed in Obstetrics and Gynecology Department of Gaziantep University Hospital, between 23 September 2006 and 23 October 2006 (during the month of Ramadan). Thirty-six consecutive healthy women with uncomplicated pregnancies of 20 weeks or more, who were fasting during Ramadan, were included in the study group (group 1). The control group (group 2) consisted of 29 healthy pregnant women, who were not fasting during the study period. For evaluating Ramadan's effect on fetus, Doppler ultrasonography was performed on all subjects in the beginning and then once a week until the end of Ramadan for the following measurements: increase of fetal biparietal diameter (BPD), increase of fetal femur length (FL), increase of estimated fetal body weight (EFBW), fetal biophysical profile (BPP), amniotic fluid index (AFI), and umbilical artery systole/diastole (S/D) ratio. Maternal serum cortisol, triglyceride, total cholesterol, low-density lipoprotein (LDL), high-density lipoprotein (HDL), very low density lipoprotein (VLDL), and LDL/HDL ratio were also evaluated before and after Ramadan.
No significant difference was found between the two groups for the fetal age, maternal weight gain (kilogram), estimated fetal weight gain (EFWG), fetal BPP, AFI, and umbilical artery S/D ratio. In the fasting group, the maternal serum cortisol levels on day 20 were significantly higher than the initial levels obtained 1 week prior to Ramadan (p < 0.05). Although no significant increases were observed in total cholesterol and triglyceride levels in the fasting group, these increases were significantly higher than those in the control group (p < 0.05). LDL and VLDL levels showed a non-significant decrease at the end of the Ramadan. HDL levels showed a slight increase, but LDL/HDL ratios were significantly decreased in fasting group (p < 0.05).
The results of this study showed that maternal serum cortisol level was elevated while LDL/HDL ratio were decreased in healthy women with uncomplicated pregnancies of 20 weeks or more, who were fasting during Ramadan. No untoward effect of Ramadan was observed on intrauterine fetal development.

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    ABSTRACT: To investigate the effects of long-lasting maternal fasting on fetal biometry, amniotic fluid volume, fetal Doppler parameters, and neonatal outcomes. The present study, conducted at Solhan State Hospital, Bingol, Turkey, between July and August 2013 recruited 82 healthy and otherwise normal pregnant women with a gestational age of 29weeks or more who were fasting for at least 20days. The control group comprised 87 healthy non-fasting women matched for maternal age, parity, gestational age. Fetal parameters were measured at the beginning and the end of the fasting month. Perinatal outcomes were compared between the groups. There were no significant differences between the groups in fetal biometry, fetal Doppler parameters, or neonatal outcomes. In the fasting group, however, there was a significantly greater decrease in amniotic fluid index during the fasting period (P<0.001). The number of women who initially had a normal amniotic fluid measurement and subsequently developed oligohydramnios was also significantly higher in the religious fasting group (P<0.05). Fetal development, Doppler parameters, and neonatal outcomes were not significantly affected in healthy fasting women; however, there was a significant association between fasting and amniotic fluid index. These findings mandate more frequent follow-up visits for this group of women.
    International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics 04/2014; 126(2). DOI:10.1016/j.ijgo.2014.02.018 · 1.56 Impact Factor
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    ABSTRACT: Objective To investigate the effects of long-lasting maternal fasting on fetal biometry, amniotic fluid volume, fetal Doppler parameters, and neonatal outcomes. Methods The present study, conducted at Solhan State Hospital, Bingol, Turkey, between July and August 2013 recruited 82 healthy and otherwise normal pregnant women with a gestational age of 29 weeks or more who were fasting for at least 20 days. The control group comprised 87 healthy non-fasting women matched for maternal age, parity, gestational age. Fetal parameters were measured at the beginning and the end of the fasting month. Perinatal outcomes were compared between the groups. Results There were no significant differences between the groups in fetal biometry, fetal Doppler parameters, or neonatal outcomes. In the fasting group, however, there was a significantly greater decrease in amniotic fluid index during the fasting period (P < 0.001). The number of women who initially had a normal amniotic fluid measurement and subsequently developed oligohydramnios was also significantly higher in the religious fasting group (P < 0.05). Conclusion Fetal development, Doppler parameters, and neonatal outcomes were not significantly affected in healthy fasting women; however, there was a significant association between fasting and amniotic fluid index. These findings mandate more frequent follow-up visits for this group of women. Synopsis There was a significant association between fasting and decreased amniotic fluid index. Religious fasting shortened the interval for developing oligohydramnios.
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