Results 51 to 60 of about 8,758 (204)

Sonographic vascularity indices' study in ectopic pregnancies, after methotrexate treatment

open access: yesEuropean Journal of Obstetrics & Gynecology and Reproductive Biology: X
Objectives: Ectopic pregnancy is a crucial problem in Gynaecology. Previous studies concerning the medical treatment of ectopic pregnancies, have used only β-hCG (beta- human chorionic gonadotropin) values, to monitor the successful response to treatment.
Dimitrios Chitzios   +6 more
doaj   +1 more source

New discoveries on the biology and detection of human chorionic gonadotropin

open access: yesReproductive Biology and Endocrinology, 2009
Human chorionic gonadotropin (hCG) is a glycoprotein hormone comprising 2 subunits, alpha and beta joined non covalently. While similar in structure to luteinizing hormone (LH), hCG exists in multiple hormonal and non-endocrine agents, rather than as a ...
Cole Laurence A
doaj   +1 more source

Sex differences in the pituitary TGFβ1 system: the role of TGFβ1 in prolactinoma development [PDF]

open access: yes, 2019
Prolactinomas are the most frequent functioning pituitary adenomas, and sex differences in tumor size, behavior and incidence have been described. These differences have been associated with earlier diagnosis in woman, as well as with serum estradiol ...
Abeledo Machado, Alejandra Inés   +6 more
core   +1 more source

Urine tests for Down's syndrome screening [PDF]

open access: yes, 2015
Background Down's syndrome occurs when a person has three copies of chromosome 21, or the specific area of chromosome 21 implicated in causing Down's syndrome, rather than two.
Abbas   +524 more
core   +1 more source

A new contingent screening strategy increased detection rate of trisomy 21 in the first trimester

open access: yesBMC Pregnancy and Childbirth, 2023
Background Although the traditional contingent screening strategy is effective, there are still undetected low-risk trisomy 21. This study aims to define appropriate cut-off values of serum biochemical markers at low-risk and develop a strategy for ...
Wei Luo   +9 more
doaj   +1 more source

Surgical management for type II cesarean scar pregnancy

open access: yesClinical and Experimental Obstetrics & Gynecology, 2021
Background: Cesarean scar pregnancy (CSP), a rare type of ectopic pregnancy, can lead to adverse pregnancy outcomes. However, there is no uniform international treatment guideline for CSP.
Lin Ling   +6 more
doaj   +1 more source

The combined screening test in the first trimester of pregnancy and preeclampsia [PDF]

open access: yesScripta Medica, 2015
Introduction: The combined screening test in the first trimester of pregnancy and determination of biochemical markers, pregnancy-associated plasma protein-A (PAPP-A) and free beta subunit of human chorionic gonadotropin (free ß-hCG) were measured to ...
Đorđević Aleksandra   +1 more
doaj  

Predicting fetal growth retardation: mathematical modeling

open access: yesАкушерство, гинекология и репродукция, 2023
Introduction. Annually, more than 13 million neonates are born with fetal growth retardation (FGR) worldwide. FGR increases prenatal mortality and morbidity.
E. V. Kudryavtseva   +3 more
doaj   +1 more source

Decreased levels of genuine large free hCG alpha in men presenting with abnormal semen analysis

open access: yesReproductive Biology and Endocrinology, 2011
Background The pregnancy hormone human chorionic gonadotropin (hCG) and its free subunits (hCG alpha, hCG beta) are produced in the male reproductive tract and found in high concentrations in seminal fluid, in particular hCG alpha.
Plas Eugen   +5 more
doaj   +1 more source

Novas perspectivas no diagnóstico do hipogonadismo pediátrico masculino: a importância do AMH como marcador de células de Sertoli [PDF]

open access: yes, 2011
Sertoli cells are the most active cell population in the testis during infancy and childhood. In these periods of life, hypogonadism can only be evidenced without stimulation tests, if Sertoli cell function is assessed.
Grinspon, Romina, Rey, Rodolfo Alberto
core   +2 more sources

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