Results 261 to 270 of about 100,805 (303)

Cardioautonomic control in healthy singleton and twin pregnancies

Journal of Applied Physiology, 2021
Individuals with healthy twin pregnancies had lower overall heart rate variability compared with those with singleton pregnancies at similar gestational ages. These results suggest a greater sympathetic and reduced parasympathetic contribution to cardiac control in twin pregnancies.
Victoria L. Meah, Miranda L. Kimber, Rshmi Khurana, Rachelle Howse, Lisa K. Hornberger, Craig D. Steinback, Margie H. Davenport   +6 more
openaire   +2 more sources

Ultrasonography-guided early amniocentesis in singleton pregnancies

American Journal of Obstetrics and Gynecology, 1990
Between October 1, 1986, and September 30, 1987, 1721 amniocenteses were performed at the University of California, Davis, Medical Center. Of these procedures 527 (30.6%) were early amniocenteses. Medical records were reviewed for maternal age, amniocentesis indication, color of amniotic fluid, gestational age, frequency of needle insertion ...
F W, Hanson, R L, Happ, F R, Tennant, S, Hune, A G, Peterson   +4 more
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Charts for cervical length in singleton pregnancy

International Journal of Gynecology & Obstetrics, 2003
To construct charts for cervical length in a low risk population measured by transvaginal ultrasonography.Pregnant women of an apparently normal population were seen in the ultrasound division of the University Women's Hospital Basel between 20 and 34 weeks of gestation and underwent once (one measurement per subject) a transvaginal ultrasound ...
I M, Hoesli, D, Strutas, S, Tercanli, W, Holzgreve   +3 more
openaire   +2 more sources

Differences in bone metabolism between singleton pregnancy and twin pregnancy

Bone, 2011
The objective of this study was to examine the influence of twin pregnancy on calcium metabolism, including bone turnover markers and calcium-regulating factors, by comparison between singleton pregnancy and twin pregnancy in women during pregnancy and puerperium in cross-sectional and longitudinal studies.Women with singleton and twin pregnancies were
Soichiro, Nakayama, Toshiyuki, Yasui, Masanori, Suto, Miki, Sato, Takashi, Kaji, Hirokazu, Uemura, Kazuhisa, Maeda, Minoru, Irahara   +7 more
openaire   +2 more sources

Severe ovarian hyperStimulation in a spontaneous singleton pregnancy

American Journal of Obstetrics and Gynecology, 1991
Ovarian hyperstimulation syndrome in a spontaneous ovulatory cycle is exceedingly rare. We report a case of severe ovarian hyperstimulation associated with a spontaneous, otherwise normal singleton pregnancy.
G F, Rosen, M W, Lew
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Sonographic dating of twin pregnancy using singleton data

International Journal of Gynecology & Obstetrics, 2005
Generally multiple births occur more frequently in Africans particularly in Nigeria where approximately 1 of every 22—35 deliveries are twins. Accurate knowledge of gestation age helps in the successful management of labour and care of the newborn baby in the neonatal period particularly in twins where premature delivery is common. In the assessment of
A M, Tabari, M, Mamman, K, Isyaku
openaire   +2 more sources

Prevalence of hyperglycaemia in singleton versus twin pregnancy

Diabetes/Metabolism Research and Reviews, 2014
AbstractBackgroundThere is conflicting information regarding the risk of gestational diabetes mellitus in twin pregnancies. This study was conducted to determine whether the risk of gestational diabetes mellitus is higher in pregnant Japanese women with twin versus singleton pregnancy.MethodsThe prevalence of gestational diabetes mellitus was studied ...
Mamoru, Morikawa, Takahiro, Yamada, Rina, Akaishi, Takashi, Kojima, Ryutaro, Nishida, Takahiro, Koyama, Kazutoshi, Cho, Hisanori, Minakami   +7 more
openaire   +2 more sources

Prenatal Screening for Fetal Aneuploidy in Singleton Pregnancies

Journal of Obstetrics and Gynaecology Canada, 2011
To develop a Canadian consensus document on maternal screening for fetal aneuploidy (e.g., Down syndrome and trisomy 18) in singleton pregnancies.Pregnancy screening for fetal aneuploidy started in the mid 1960s, using maternal age as the screening test.
David Chitayat, Sylvie Langlois, R. Douglas Wilson, R. Douglas Wilson, François Audibert, Claire Blight, Jo-Ann Brock, Lola Cartier, June Carroll, Valerie A. Désilets, Alain Gagnon, Jo-Ann Johnson, Sylvie Langlois, Lynn Murphy-Kaulbeck, Nanette Okun, Melanie Pastuck, Vyta Senikas, Sylvie Langlois, David Chitayat, Isabelle DeBie, Suzanne Demczuk, Valerie A. Désilets, Michael T Geraghty, Janet Marcadier, Tanya N. Nelson, David Skidmore, Vicky Siu   +26 more
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Pharmacokinetics of betamethasone in twin and singleton pregnancy

Clinical Pharmacology & Therapeutics, 2002
ObjectiveThe aims of the study were to compare the pharmacokinetics of betamethasone in singleton pregnancy with the pharmacokinetics in twin pregnancy and to assess the adrenal suppression produced by betamethasone.Study DesignWe measured serial betamethasone and cortisol levels in 30 singleton and 21 twin pregnancies after the first dose of ...
Praveen, Ballabh, E S, Lo, J, Kumari, T B, Cooper, I, Zervoudakis, P A M, Auld, A N, Krauss   +6 more
openaire   +2 more sources

Hydramnios in Singleton Pregnancy: Sonographic Prevalence and Etiology

Gynecologic and Obstetric Investigation, 1993
One hundred and forty-nine cases of hydramnios were detected among 13,750 parturients undergoing 25,000 routine ultrasonographic examinations. The prevalence of hydramnios was 1.08%. Ninety-seven patients (65.1%) had no apparent cause for the increased amount of fluid volume.
A, Golan, I, Wolman, Y, Saller, M P, David   +3 more
openaire   +2 more sources