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Journal of Basic Research in Medical Sciences، جلد ۳، شماره ۱، صفحات ۲۲-۲۵
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Comparison of the first trimester ultrasound and Parikh’s formula in determining the expected date of delivery: A prospective study |
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| چکیده انگلیسی مقاله |
Introduction: The Parikh’s formula is a calculation method that considers menstrual cycle duration in women who have an unusual interval of menstruation cycle. Since the accurate estimation of gestational age affects pregnancy outcomes, the present study aimed to compare the first trimester ultrasound and Parikh’s formula in determining the Expected Date of Delivery (EDD). Materials and methods: A prospective study was done among pregnant women referred to health centers of Borujerd, Iran, in 2014. All pregnant women with menstrual cycle less than 22 days and more than 35 days were included in the study and follow up to delivery time. Women with situations impacting the fetus development were excluded from the study. First trimester ultrasound was done at 7-13 week of last menstrual period and measured the Gestational Sac (GS) and Crown Rump Length (CRL). The gestational age was calculated by Parikh's formula. The association between the variables under study and gestational age were tested using chi-square test. The Pearson correlation coefficient was used to evaluate the correlation between the variables Results: Overall, 300 women participated in the study. The gestational age calculated by the methods of the study, namely, the first trimester ultrasound and Parikh’s formula had no statistically significant difference (271.8 ± 0.99 and 275.2 ± 1.2 days in the first trimester ultrasound and Parikh's formula, respectively) (P=0. 625). The Pearson correlation coefficient showed a positive correlation between the GS (r = 0.645) and CRL (r = 0.768) measured by the first trimester ultrasound and gestational age calculated by the Parikh's formula. Conclusion: The Parikh’s formula is recommended to use the calculation of the EDD in women who have an unusual interval of menstruation cycle and no access to ultrasound in the first trimester. |
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| کلیدواژه‌های انگلیسی مقاله |
Crown rump length, Gestational age, Gestational Sac, EDD |
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| نویسندگان مقاله |
پریچهر خدری | parichehr khedri
ilam university of medical sciences
سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایلام (Ilam university of medical sciences)
محمد ساعتچی | mohamad saatchi
بهناز گروسی | behnaz garosi
اشرف دیرکوند مقدم | ashraf direkvand moghadam
علی دل پیشه | ali delpisheh
آزاده دیرکوند مقدم | azadeh direkvand moghadam
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| نشانی اینترنتی |
http://jbrms.medilam.ac.ir/browse.php?a_code=A-10-63-8&slc_lang=en&sid=en |
| فایل مقاله |
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| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
Midwifery |
| نوع مقاله منتشر شده |
پژوهشی |
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