RETRACTED ARTICLE: Impact of maternal fasting on fetal well-being parameters and fetal–neonatal outcome: a case–control study

Rezk, Mohamed; Sayyed, Tarek; Abo-Elnasr, Mohamed; Shawky, Mohamed; Badr, Hassan

doi:10.3109/14767058.2015.1105955

Cited by 14 publications

(24 citation statements)

References 12 publications

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“…Mean MCA PI values post-prandially and after extended fast in the present study are in line with values obtained at 7:00 and 10:00 am in the crossover study by Yasuhi et al [ 11 ]. However, the current values were profoundly lower than in the study by Abd-Allah et al, which was performed in the evening (1.64 and 1.60 vs. 2.21 and 2.22, respectively) [ 29 ]. These findings may reflect fluctuations in diurnal variations in the MCA PI values.…”

Section: Discussioncontrasting

confidence: 58%

“…In a study with 110 healthy women with 10–12 h extended overnight fast at mean GW 34 (range; 28–39 weeks), Abd-El-Aal et al observed no significant differences in MCA PI values from before (10:00 am-12:00 pm) to 2 hours post-prandially (1:00–3:00 pm) [ 28 ]. In the largest case-control study with 210 fasting women and 240 non-fasting women in late third trimester, Abd-Allah et al did not find any impact of maternal fasting (12–16 h) on fetal MCA PI values [ 29 ]. Women in both groups were examined in the afternoon at 3:00–6:00 pm.…”

Section: Discussionmentioning

confidence: 99%

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Effect of a standardized maternal meal on fetal middle cerebral artery Doppler indices: A single-blinded crossover study

Zahid

Opheim²,

Henriksen³

et al. 2022

PLoS ONE

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Objective Measures of Doppler blood flow velocity profiles are an integral part of monitoring fetal well-being during pregnancy. These examinations are performed at different times of the day and at different maternal meal states. In uncomplicated pregnancies, we assessed the effect of a standardized maternal meal on middle cerebral artery (MCA) and umbilical artery (UA) Doppler blood flow velocity pulsatility indices (PIs) and MCA peak systolic velocity (PSV). Methods In this prospective single-blinded crossover study 25 healthy women were examined at 36 weeks of pregnancy. The first examination was performed in the morning following overnight fast, and repeated after extended fast (state A), and after a standard breakfast meal (state B). Results Irrespective of maternal prandial status, the MCA-PI values were lower in the 2nd compared to the 1st examination (-0.187; p = 0.071, and -0.113; p = 0.099, state A and B, respectively). Compared to the values in the 1st examination, the UA-PI values, were higher after extended fast (0.014; p = 0.436), and lower post-prandially (-0.036; p = 0.070). The difference (state B minus state A) between the meal states were not significant (0.074; p = 0.487 and -0.050; p = 0.058, for MCA-PI and UA-PI, respectively). Adjusting for the possible influence of fetal heart rate on MCA-PI and UA-PI, the differences between meal states remained non-significant (p = 0.179, p = 0.064, respectively). The MCA-PSV values increased after the meal (6.812; p = 0.035), whereas no increase was observed following extended fast (0.140; p = 0.951). The difference in MCA-PSV values between the two meal states was not significant (6.672; p = 0.055). Conclusion Our results demonstrate possible diurnal variations in MCA-PI and UA-PI, with and without adjustment for fetal heart rate, that seem to be unaffected by maternal meal intake in healthy pregnancies.

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Section: Discussioncontrasting

confidence: 58%

Section: Discussionmentioning

confidence: 99%

Effect of a standardized maternal meal on fetal middle cerebral artery Doppler indices: A single-blinded crossover study

Zahid

Opheim²,

Henriksen³

et al. 2022

PLoS ONE

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“…We were not able to investigate potential effects of Ramadan fasting length (in days) and duration (hours/day) due to limitations in available data. Duration of fasting was not documented by all studies and data were recorded in different ways; some studies stated the average number of fasting hours per day [ 9 , 12 , 32 – 34 , 36 ] while others gave the upper [ 13 ] or lower [ 27 ] limits. In total, 16 included studies recorded the average number of fasting days (Table 1 ), but few papers stratified by number of days fasting so meta-regression could not be performed.…”

Section: Discussionmentioning

confidence: 99%

“…Another potential source of heterogeneity was geographical location of study. The majority of studies were from Asia and the Middle East (8 from Iran [ 12 , 31 , 32 , 35 , 39 , 40 , 51 , 52 ], 6 from Turkey [ 9 , 30 , 33 , 34 , 37 , 38 ], 2 from Egypt [ 27 , 36 ], 1 from Indonesia [ 28 ], 1 from Saudi Arabia [ 29 ] and 1 from Lebanon [ 10 ]). Three included studies [ 11 , 13 , 26 ] were from the UK.…”

Section: Discussionmentioning

confidence: 99%

The effect of Ramadan fasting during pregnancy on perinatal outcomes: a systematic review and meta-analysis

Glazier

Hayes

Hussain

et al. 2018

BMC Pregnancy Childbirth

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BackgroundAlthough exempt, many pregnant Muslim women partake in the daily fast during daylight hours during the month of Ramadan. In other contexts an impoverished diet during pregnancy impacts on birth weight. The aim of this systematic review was to determine whether Ramadan fasting by pregnant women affects perinatal outcomes. Primary outcomes investigated were perinatal mortality, preterm birth and small for gestational age (SGA) infants. Secondary outcomes investigated were stillbirth, neonatal death, maternal death, hypertensive disorders of pregnancy, gestational diabetes, congenital abnormalities, serious neonatal morbidity, birth weight, preterm birth and placental weight.MethodsSystematic review and meta-analysis of observational studies and randomised controlled trials was conducted in EMBASE, MEDLINE, CINAHL, Web of Science, Google Scholar, the Health Management Information Consortium and Applied Social Sciences Index and Abstracts. Studies from any year were eligible. Studies reporting predefined perinatal outcomes in pregnancies exposed to Ramadan fasting were included. Cohort studies with no comparator group or that considered fasting outside pregnancy were excluded, as were studies assuming fasting practice based solely upon family name. Quality of included studies was assessed using the ROBINS-I tool for assessing risk of bias in non-randomised studies. Analyses were performed in STATA.ResultsFrom 375 records, 22 studies of 31,374 pregnancies were included, of which 18,920 pregnancies were exposed to Ramadan fasting. Birth weight was reported in 21 studies and was not affected by maternal fasting (standardised mean difference [SMD] 0.03, 95% CI 0.00 to 0.05). Placental weight was significantly lower in fasting mothers (SMD -0.94, 95% CI -0.97 to -0.90), although this observation was dominated by a single large study. No data were presented for perinatal mortality. Ramadan fasting had no effect on preterm delivery (odds ratio 0.99, 95% CI 0.72 to 1.37) based on 5600 pregnancies (1193 exposed to Ramadan fasting).ConclusionsRamadan fasting does not adversely affect birth weight although there is insufficient evidence regarding potential effects on other perinatal outcomes. Further studies are needed to accurately determine whether Ramadan fasting is associated with adverse maternal or neonatal outcome.Electronic supplementary materialThe online version of this article (10.1186/s12884-018-2048-y) contains supplementary material, which is available to authorized users.

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“…It is important to describe that Muslim women are exempted from fasting as per the religion but data from around Ramadan Fasting in Pregnancy the world suggests that round 90% of the women fast for at least some period in the holy month of Ramadan to have that religious experience with them. [11][12][13] Globally, an estimated 230 million Muslim adult women are fasting for at least some period in the month of Ramadan. This study was done to whether maternal or perinatal outcomes are affecting by fasting.…”

Section: Discussionmentioning

confidence: 99%

Maternal and Perinatal outcome after Ramadan Fasting

et al. 2020

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Objective: To determine maternal and perinatal outcome after Ramadan fasting during pregnancy Methods: This cross sectional study was conducted at The Department of Obstetrics and Gynaecology, Nishtar Hospital, Multan from May to October 2019. A total of 226 women attending labour room, aged 18–35 years, having gestational amenorrhoea 15 – 40 weeks of gestation were included. Women who fasted for more than 15 days were compared with those who did not fast or fasted for less than 15 days in the month of Ramadan. Demographical profile along with maternal and perinatal outcomes were compared between the study groups considering p value less than 0.05 as significant. Results: Out of 226 women, 58 (25.7%) fulfilled the criteria to be included in the fasting group while remaining 168 (74.3%) were slotted in the non-fasting group. There was no difference (p value > 0.05) in between the both group with respect to demographical characteristics except significantly less women were employed in the fasting group (p value=0.0246). No statistical difference was found in terms of maternal or perinatal outcomes between both the study groups. Conclusion: Fasting women were not found to have poor maternal and fetal outcomes when compared to non-fasting women. doi: https://doi.org/10.12669/pjms.36.5.2612 How to cite this:Parveen R, Khakwani M, Latif M, Tareen AU. Maternal and Perinatal outcome after Ramadan Fasting. Pak J Med Sci. 2020;36(5):---------. doi: https://doi.org/10.12669/pjms.36.5.2612 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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RETRACTED ARTICLE: Impact of maternal fasting on fetal well-being parameters and fetal–neonatal outcome: a case–control study

Abstract: Short-term maternal fasting has no deleterious effect on fetal well-being parameters or neonatal outcome. Pregnant women who desire fasting, should be reassured regarding the health of their babies.

Cited by 14 publications

References 12 publications

Effect of a standardized maternal meal on fetal middle cerebral artery Doppler indices: A single-blinded crossover study

Effect of a standardized maternal meal on fetal middle cerebral artery Doppler indices: A single-blinded crossover study

The effect of Ramadan fasting during pregnancy on perinatal outcomes: a systematic review and meta-analysis

Maternal and Perinatal outcome after Ramadan Fasting

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