نتایج جستجو برای: first trimester

تعداد نتایج: 1448121  

Journal: :Seminars in perinatology 2005
Kypros H Nicolaides

There is extensive evidence that effective screening for major chromosomal abnormalities can be provided in the first trimester of pregnancy. Randomized studies have established that the risk of miscarriage from chorionic villus sampling in the first trimester is the same as for amniocentesis in the second trimester. Prospective studies have demonstrated that screening by a combination of fetal...

2017

The incidence of multifetal pregnancies has increased dramatically over the past two decades, mainly because of the widespread use of ovulation induction agents and assisted reproduction techniques. These techniques have been a matter of concern since twin and higher order pregnancies have long been associated with an increased risk of maternal complications as well as a high prevalence of pren...

2013
Riffat Jaleel Ayesha Khan

UNLABELLED Objectives : To determine whether paternal factors i.e., age, tobacco use and genital tract infection increase the risk for spontaneous first trimester miscarriage. Methodology : This case control study was conducted in the Department of Obstetrics & Gynaecology, Unit V / IV, Dow Medical College & Lyari General Hospital, Dow University of Health Sciences, Karachi, Pakistan. Duration ...

Journal: :International Journal of Reproduction, Contraception, Obstetrics and Gynecology 2020

Journal: :Ultrasound in Obstetrics & Gynecology 2011

Journal: :Ultrasound in Obstetrics & Gynecology 2012

Journal: :Ultrasound in Obstetrics and Gynecology 2000

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