Use of the last menstrual period (LMP) in timing human pregnancies.
نویسنده
چکیده
منابع مشابه
Epidemiology of pregnancies with unknown last menstrual period
the Epidemiology of normal pregnancies with unknown last menstrual period (LMP) was studied in 1192 singleton pregnancies.the LMP was unknown in 240(20.3%) pregnancies.unknown LMP is associated with high rates of low birth weight and all low socio-economic and socio-demographic status.such characteristics are also associated with a high rate of preterm deliveries.any possible bias introduced i...
متن کاملسونوگرافی در تعیین سن حاملگی در سه ماه اول و کاهش میزان حاملگی از موعد گذشته
Background: Approximately 10 percent of all pregnancies continue to 42 weeks'gestation. The true prevalence of pregnancies lasting longer than 41 or 42 weeks'gestation has been difficult to establish because many such diagnoses occur as a result of an inability to accurately establish time of conception. Several studies indicate that menstrual dating is often inaccurate and can lead to inductio...
متن کاملEstimation of Day-Specific Probabilities of Conception during Natural Cycle in Women from Babylon
Objective To estimate the days in which the likelihood of conception happened by using first trimester ultrasound fetal biometry in natural cycles and spontaneous pregnancy, and to explore some factors that may affect them. MaterialsAndMethods This study is retrospective cohort study, with random sampling. It involved 60 pregnant ladies at first trimester; the date of conception was estimated u...
متن کاملارتباط بین جنسیت نوزادان متولد شده با روزه‌داری مادران در مرحله فولیکولی آخرین دوره قاعدگی
Relation Between Fasting During Follicular Phase of Last Menstrual Period (LMP) and Newborn's Gender SM. Malekouti PhD , Z. Dehbooreh GP , Kh. Mani Kashani MSc , B. Heshmatian BSc Received: 11/07/05 Sending for Revision: 19/10/05 Receiving Revised Manuscript: 05/09/06 Accepted: 13/09/06 Background and Objective: Fasting which is a fairly long period of hungry (about 15 hours),...
متن کاملبررسی سن جنین براساس اندازه گیری طول استخوان ران در مراکز آموزشی و درمانی دانشگاه علوم پزشکی ایران طی سالهای 1378 لغایت 1379
ABSTRACT The selection of this subject is, because of the importance of determination of fetal age for evaluation of the fetal growth and preventing of complication due to preterm delivery, prolonged pregnancy and the absent of the complete conforming of refrence table in this case is by the measure of Iranian fetus, particular in the third trimester. This study which is descr...
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ورودعنوان ژورنال:
- Teratology
دوره 23 1 شماره
صفحات -
تاریخ انتشار 1981