Výsledky vyhledávání - "Chorionic Gonadotropin"

Timing of human chorionic gonadotropin administration affects conception rates after embryo transfer in crossbred beef heifers.

Autoři: Hazano K Goto A Haneda S a další

Zdroj: The Journal of veterinary medical science [J Vet Med Sci] 2025 Dec 01; Vol. 87 (12), pp. 1426-1431. Date of Electronic Publication: 2025 Oct 09.

Způsob vydávání: Journal Article; Randomized Controlled Trial, Veterinary

Informace o časopise: Publisher: Japanese Society Of Veterinary Science Country of Publication: Japan NLM ID: 9105360 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1347-7439 (Electronic) Linking ISSN: 09167250 NLM ISO Abbreviation: J Vet Med Sci Subsets: MEDLINE

Výrazy ze slovníku MeSH: Chorionic Gonadotropin*/administration & dosage , Chorionic Gonadotropin*/pharmacology , Embryo Transfer*/veterinary , Fertilization*/drug effects, Animals ; Cattle/physiology ; Female ; Pregnancy ; Time Factors ; Drug Administration Schedule ; Pregnancy Rate

Adding human chorionic gonadotropin to frozen-thawed embryo transfer cycles pretreated with GnRH-a improves clinical pregnancy rates: a retrospective study.

Autoři: Peng L Wang Q Chen Y a další

Zdroj: Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology [Gynecol Endocrinol] 2025 Dec; Vol. 41 (1), pp. 2513640. Date of Electronic Publication: 2025 Jun 07.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Informa Healthcare Country of Publication: England NLM ID: 8807913 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1473-0766 (Electronic) Linking ISSN: 09513590 NLM ISO Abbreviation: Gynecol Endocrinol Subsets: MEDLINE

Výrazy ze slovníku MeSH: Chorionic Gonadotropin*/administration & dosage , Chorionic Gonadotropin*/therapeutic use , Embryo Transfer*/methods , Gonadotropin-Releasing Hormone*/agonists, Humans ; Female ; Pregnancy ; Retrospective Studies ; Adult ; Pregnancy Rate ; Embryo Implantation/drug effects ; Cryopreservation ; Fertilization in Vitro/methods

Elevation of hCG in CSF in pinealoblastoma: a pitfall rescued by pathological examination.

Autoři: Bouille F Mokhtari K Mathon B a další

Zdroj: Acta neuropathologica communications [Acta Neuropathol Commun] 2025 Nov 21; Vol. 13 (1), pp. 240. Date of Electronic Publication: 2025 Nov 21.

Způsob vydávání: Journal Article; Case Reports

Informace o časopise: Publisher: BioMed Central Country of Publication: England NLM ID: 101610673 Publication Model: Electronic Cited Medium: Internet ISSN: 2051-5960 (Electronic) Linking ISSN: 20515960 NLM ISO Abbreviation: Acta Neuropathol Commun Subsets: MEDLINE

Výrazy ze slovníku MeSH: Pinealoma*/cerebrospinal fluid , Pinealoma*/pathology , Pinealoma*/diagnosis , Brain Neoplasms*/cerebrospinal fluid , Brain Neoplasms*/pathology , Brain Neoplasms*/diagnosis , Pineal Gland*/pathology , Chorionic Gonadotropin, beta Subunit, Human*/cerebrospinal fluid , Chorionic Gonadotropin*/cerebrospinal fluid, Humans ; Male ; Female ; Germinoma/diagnosis ; Germinoma/cerebrospinal fluid ; Germinoma/pathology ; Biomarkers, Tumor/cerebrospinal fluid ; Adult ; Diagnosis, Differential ; Magnetic Resonance Imaging

Luteal features and serum concentrations of progesterone and hCG in dairy goats submitted to estrus induction followed by intrauterine or intramuscular hCG administration.

Autoři: Martins AL Côrtes LR Rodrigues JND a další

Zdroj: Domestic animal endocrinology [Domest Anim Endocrinol] 2025 Oct; Vol. 93, pp. 106957. Date of Electronic Publication: 2025 Jun 08.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Elsevier Country of Publication: United States NLM ID: 8505191 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-0054 (Electronic) Linking ISSN: 07397240 NLM ISO Abbreviation: Domest Anim Endocrinol Subsets: MEDLINE

Výrazy ze slovníku MeSH: Goats*/physiology , Goats*/blood , Chorionic Gonadotropin*/administration & dosage , Chorionic Gonadotropin*/blood , Chorionic Gonadotropin*/pharmacology , Progesterone*/blood , Corpus Luteum*/drug effects , Corpus Luteum*/diagnostic imaging , Corpus Luteum*/physiology, Animals ; Female ; Injections, Intramuscular/veterinary ; Estrus/drug effects ; Pregnancy ; Estrus Synchronization

Implantation in single euploid embryo transfers: the role of blastocyst expansion grade and early serum β -hCG levels.

Autoři: Arcaz AC Hernandez-Nieto C Lee JA a další

Zdroj: Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology [Gynecol Endocrinol] 2025 Dec 31; Vol. 41 (1), pp. 2568572. Date of Electronic Publication: 2025 Oct 21.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Informa Healthcare Country of Publication: England NLM ID: 8807913 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1473-0766 (Electronic) Linking ISSN: 09513590 NLM ISO Abbreviation: Gynecol Endocrinol Subsets: MEDLINE

Výrazy ze slovníku MeSH: Chorionic Gonadotropin, beta Subunit, Human*/blood , Embryo Implantation*/physiology , Blastocyst*/physiology , Blastocyst*/cytology , Single Embryo Transfer*, Humans ; Female ; Adult ; Pregnancy ; Retrospective Studies ; Embryo Transfer ; Fertilization in Vitro

Rewiring the luteal microenvironment: hemodynamic and molecular insights into eCG-supported CL development in indigenous White Lamphun cattle.

Autoři: Jitjumnong J Yama P Sangkate M a další

Zdroj: Reproduction & fertility [Reprod Fertil] 2025 Dec 01; Vol. 6 (4). Date of Electronic Publication: 2025 Dec 01 (Print Publication: 2025).

Způsob vydávání: Journal Article

Informace o časopise: Publisher: BioScientifica Country of Publication: England NLM ID: 101778727 Publication Model: Electronic-Print Cited Medium: Internet ISSN: 2633-8386 (Electronic) Linking ISSN: 26338386 NLM ISO Abbreviation: Reprod Fertil Subsets: MEDLINE

Výrazy ze slovníku MeSH: Corpus Luteum*/drug effects , Corpus Luteum*/blood supply , Corpus Luteum*/metabolism , Corpus Luteum*/physiology , Hemodynamics*/drug effects , Chorionic Gonadotropin*/pharmacology , Chorionic Gonadotropin*/administration & dosage, Animals ; Female ; Cattle ; Progesterone/blood ; Ovulation/drug effects ; Estrus Synchronization/methods ; Ovarian Follicle/drug effects

Role of doubling rate of hCG in predicting early pregnancy loss: a retrospective analysis.

Autoři: Wang X Mu F Jian Q a další

Zdroj: The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians [J Matern Fetal Neonatal Med] 2025 Dec; Vol. 38 (1), pp. 2508902. Date of Electronic Publication: 2025 May 26.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Informa Healthcare Country of Publication: England NLM ID: 101136916 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1476-4954 (Electronic) Linking ISSN: 14764954 NLM ISO Abbreviation: J Matern Fetal Neonatal Med Subsets: MEDLINE

Výrazy ze slovníku MeSH: Chorionic Gonadotropin*/blood , Abortion, Spontaneous*/blood , Abortion, Spontaneous*/diagnosis, Humans ; Female ; Pregnancy ; Retrospective Studies ; Adult ; Predictive Value of Tests ; Pregnancy Outcome ; ROC Curve ; Pregnancy Trimester, First/blood ; Young Adult

Evaluation of Predictive Factors for Success of Single-Dose Methotrexate Treatment in Tubal Ectopic Pregnancy With Low Beta- Human Chorionic Gonadotropin Levels.

Autoři: Ibrahim U Bora BM Fatih T a další

Zdroj: The Journal of emergency medicine [J Emerg Med] 2025 Dec; Vol. 79, pp. 410-416. Date of Electronic Publication: 2025 Aug 22.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Elsevier Country of Publication: United States NLM ID: 8412174 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 0736-4679 (Print) Linking ISSN: 07364679 NLM ISO Abbreviation: J Emerg Med Subsets: MEDLINE

Výrazy ze slovníku MeSH: Methotrexate*/therapeutic use , Methotrexate*/pharmacology , Methotrexate*/administration & dosage , Chorionic Gonadotropin, beta Subunit, Human*/blood , Chorionic Gonadotropin, beta Subunit, Human*/analysis , Pregnancy, Tubal*/drug therapy , Pregnancy, Tubal*/blood, Humans ; Female ; Pregnancy ; Retrospective Studies ; Adult ; Abortifacient Agents, Nonsteroidal/therapeutic use ; Biomarkers/blood ; Biomarkers/analysis

Determining the risk of gestational diabetes using machine learning: A study on first-trimester PAPP-A and β-hCG data.

Autoři: Zorlu U Elmas B Ergün GT a další

Zdroj: International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics [Int J Gynaecol Obstet] 2025 Dec; Vol. 171 (3), pp. 1189-1196. Date of Electronic Publication: 2025 Jun 02.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Wiley Country of Publication: United States NLM ID: 0210174 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-3479 (Electronic) Linking ISSN: 00207292 NLM ISO Abbreviation: Int J Gynaecol Obstet Subsets: MEDLINE

Výrazy ze slovníku MeSH: Pregnancy-Associated Plasma Protein-A*/analysis , Chorionic Gonadotropin, beta Subunit, Human*/blood , Machine Learning* , Diabetes, Gestational*/diagnosis , Diabetes, Gestational*/blood, Humans ; Female ; Pregnancy ; Pregnancy Trimester, First/blood ; Retrospective Studies ; Adult ; Biomarkers/blood ; Body Mass Index ; Predictive Value of Tests ; ROC Curve ; Risk Assessment/methods ; Algorithms

Exploring potential mid-trimester maternal serum biomarkers for fetal congenital heart disease: a retrospective case-control study.

Autoři: Jin Y Li S Li J a další

Zdroj: The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians [J Matern Fetal Neonatal Med] 2025 Dec; Vol. 38 (1), pp. 2541025. Date of Electronic Publication: 2025 Aug 04.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Informa Healthcare Country of Publication: England NLM ID: 101136916 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1476-4954 (Electronic) Linking ISSN: 14764954 NLM ISO Abbreviation: J Matern Fetal Neonatal Med Subsets: MEDLINE

Výrazy ze slovníku MeSH: Pregnancy Trimester, Second*/blood , Heart Defects, Congenital*/blood , Heart Defects, Congenital*/diagnosis , alpha-Fetoproteins*/analysis , Chorionic Gonadotropin, beta Subunit, Human*/blood, Humans ; Female ; Pregnancy ; Retrospective Studies ; Case-Control Studies ; Biomarkers/blood ; Adult

Use of the Abbott i-STAT®1 point of care device for hCG quantification in early pregnancy.

Autoři: Joyce C O'Shea PM Lynch R a další

Zdroj: International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics [Int J Gynaecol Obstet] 2025 Nov; Vol. 171 (2), pp. 736-742. Date of Electronic Publication: 2025 May 19.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Wiley Country of Publication: United States NLM ID: 0210174 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-3479 (Electronic) Linking ISSN: 00207292 NLM ISO Abbreviation: Int J Gynaecol Obstet Subsets: MEDLINE

Výrazy ze slovníku MeSH: Chorionic Gonadotropin*/blood , Point-of-Care Systems* , Point-of-Care Testing* , Pregnancy Complications*/blood , Pregnancy Complications*/diagnosis, Humans ; Female ; Pregnancy ; Adult ; Pregnancy Trimester, First/blood ; Young Adult ; Pregnancy, Ectopic/blood ; Pregnancy, Ectopic/diagnosis

Enhancing lateral flow assay performance: Buffer additives and protein-membrane interactions.

Autoři: Spreinat A Wilczek C Ronsör C a další

Zdroj: Analytical biochemistry [Anal Biochem] 2025 Nov; Vol. 706, pp. 115943. Date of Electronic Publication: 2025 Jul 12.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Elsevier Country of Publication: United States NLM ID: 0370535 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1096-0309 (Electronic) Linking ISSN: 00032697 NLM ISO Abbreviation: Anal Biochem Subsets: MEDLINE

Výrazy ze slovníku MeSH: Chorionic Gonadotropin*/analysis , Chorionic Gonadotropin*/chemistry , COVID-19*/diagnosis, Humans ; Buffers ; Collodion/chemistry ; Adsorption ; SARS-CoV-2/isolation & purification ; Membranes, Artificial

Oocyte maturation triggers in high-responders: a report on 1,217 consecutive cycles.

Autoři: Gonçalves M Cunha M Teixeira da Silva J a další

Zdroj: Reproduction & fertility [Reprod Fertil] 2025 Oct 29; Vol. 6 (4). Date of Electronic Publication: 2025 Oct 29 (Print Publication: 2025).

Způsob vydávání: Journal Article

Informace o časopise: Publisher: BioScientifica Country of Publication: England NLM ID: 101778727 Publication Model: Electronic-Print Cited Medium: Internet ISSN: 2633-8386 (Electronic) Linking ISSN: 26338386 NLM ISO Abbreviation: Reprod Fertil Subsets: MEDLINE

Výrazy ze slovníku MeSH: Chorionic Gonadotropin*/administration & dosage , Chorionic Gonadotropin*/pharmacology , Ovulation Induction*/methods , Ovulation Induction*/adverse effects , Oocytes*/drug effects , In Vitro Oocyte Maturation Techniques*/methods , Fertility Agents, Female* , Oogenesis*/drug effects, Humans ; Female ; Pregnancy ; Adult ; Embryo Transfer/methods ; Pregnancy Rate ; Gonadotropin-Releasing Hormone/agonists ; Ovarian Hyperstimulation Syndrome/epidemiology ; Fertilization in Vitro/methods

An integrated cerebrospinal fluid beta-human chorionic gonadotropin and atrophy-targeted magnetic resonance imaging strategy to reduce diagnostic delays in bilateral basal ganglia germinomas: A case series.

Autoři: Dong Y Zhuo Z Yao C a další

Zdroj: The Journal of international medical research [J Int Med Res] 2025 Oct; Vol. 53 (10), pp. 3000605251390080. Date of Electronic Publication: 2025 Nov 01.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Sage Publications Country of Publication: England NLM ID: 0346411 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1473-2300 (Electronic) Linking ISSN: 03000605 NLM ISO Abbreviation: J Int Med Res Subsets: MEDLINE

Výrazy ze slovníku MeSH: Magnetic Resonance Imaging*/methods , Chorionic Gonadotropin, beta Subunit, Human*/cerebrospinal fluid , Germinoma*/cerebrospinal fluid , Germinoma*/diagnostic imaging , Germinoma*/diagnosis , Germinoma*/pathology , Basal Ganglia*/pathology , Basal Ganglia*/diagnostic imaging , Delayed Diagnosis*/prevention & control , Brain Neoplasms*/cerebrospinal fluid , Brain Neoplasms*/diagnostic imaging , Brain Neoplasms*/diagnosis , Brain Neoplasms*/pathology, Humans ; Male ; Female ; Adolescent ; Child ; Atrophy ; Adult ; Young Adult

Pre-Treatment With hCG Before Ovsynch (-3hCG/Ovsynch) May be an Alternative to the Progestagen-Based Ovsynch Protocol in Cows With Ovarian Follicular Cyst.

Autoři: Doğan H Bayraktar M Kutlu M a další

Zdroj: Reproduction in domestic animals = Zuchthygiene [Reprod Domest Anim] 2025 Oct; Vol. 60 (10), pp. e70138.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Paul Parey Scientific Publishers Country of Publication: Germany NLM ID: 9015668 Publication Model: Print Cited Medium: Internet ISSN: 1439-0531 (Electronic) Linking ISSN: 09366768 NLM ISO Abbreviation: Reprod Domest Anim Subsets: MEDLINE

Výrazy ze slovníku MeSH: Chorionic Gonadotropin*/administration & dosage , Chorionic Gonadotropin*/pharmacology , Estrus Synchronization*/methods , Ovarian Cysts*/veterinary , Ovulation Induction*/veterinary , Ovulation Induction*/methods , Cattle Diseases*/drug therapy , Follicular Cyst*/veterinary, Animals ; Female ; Cattle ; Insemination, Artificial/veterinary ; Progesterone/blood ; Pregnancy ; Gonadotropin-Releasing Hormone/administration & dosage ; Progestins/administration & dosage ; Dinoprost/administration & dosage

Effect of hCG Administration at the Second Cloprostenol Injection on the Reproductive Performance of Saanen Goats Previously Exposed to 16-h Photoperiod.

Autoři: Rangel PSC Rodrigues JND Vergani GB a další

Zdroj: Reproduction in domestic animals = Zuchthygiene [Reprod Domest Anim] 2025 Oct; Vol. 60 (10), pp. e70134.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Paul Parey Scientific Publishers Country of Publication: Germany NLM ID: 9015668 Publication Model: Print Cited Medium: Internet ISSN: 1439-0531 (Electronic) Linking ISSN: 09366768 NLM ISO Abbreviation: Reprod Domest Anim Subsets: MEDLINE

Výrazy ze slovníku MeSH: Cloprostenol*/administration & dosage , Cloprostenol*/pharmacology , Goats*/physiology , Chorionic Gonadotropin*/pharmacology , Chorionic Gonadotropin*/administration & dosage , Photoperiod*, Animals ; Female ; Pregnancy ; Estrus Synchronization/methods ; Dinoprost/pharmacology ; Dinoprost/administration & dosage ; Progesterone/blood ; Pregnancy Rate ; Ovulation/drug effects

Prevention of nodules and enhancement of antibody response to genetically engineered recombinant vaccine against Human Chorionic Gonadotropin (hCG) for contraception.

Autoři: Tiwari P Srivastava M Sehgal R a další

Zdroj: The European journal of contraception & reproductive health care : the official journal of the European Society of Contraception [Eur J Contracept Reprod Health Care] 2024 Aug; Vol. 29 (4), pp. 182-187. Date of Electronic Publication: 2024 Jun 21.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Informa Healthcare Country of Publication: England NLM ID: 9712127 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1473-0782 (Electronic) Linking ISSN: 13625187 NLM ISO Abbreviation: Eur J Contracept Reprod Health Care Subsets: MEDLINE

Výrazy ze slovníku MeSH: Vaccines, Synthetic*/immunology , Chorionic Gonadotropin*/immunology, Animals ; Female ; Mice ; Contraception, Immunologic/methods ; Vaccines, Contraceptive/immunology ; Antibody Formation/drug effects ; Humans ; Mice, Inbred BALB C ; Adjuvants, Immunologic ; Injection Site Reaction ; Genetic Engineering ; Injections, Intramuscular ; Chorionic Gonadotropin, beta Subunit, Human/immunology

Impact of fetal sex on first trimester markers of placental development and pregnancy outcome: a prospective cohort study.

Autoři: Parisi F Lubrano C Marelli E a další

Zdroj: European journal of obstetrics, gynecology, and reproductive biology [Eur J Obstet Gynecol Reprod Biol] 2025 Dec; Vol. 315, pp. 114735. Date of Electronic Publication: 2025 Sep 22.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Elsevier Scientific Publishers Country of Publication: Ireland NLM ID: 0375672 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1872-7654 (Electronic) Linking ISSN: 03012115 NLM ISO Abbreviation: Eur J Obstet Gynecol Reprod Biol Subsets: MEDLINE

Výrazy ze slovníku MeSH: Pregnancy Trimester, First*/blood , Pregnancy Outcome* , Chorionic Gonadotropin, beta Subunit, Human*/blood , Placentation*/physiology, Humans ; Female ; Pregnancy ; Prospective Studies ; Male ; Adult ; Biomarkers/blood ; Pregnancy-Associated Plasma Protein-A/metabolism ; Pregnancy-Associated Plasma Protein-A/analysis ; Sex Factors ; Ultrasonography, Prenatal ; Uterine Artery/diagnostic imaging ; Placenta/diagnostic imaging

Predictors of treatment failure of tubal pregnancy with single-dose methotrexate regimen - a systematic review and meta-analysis.

Autoři: Tang L Nie S Ling L a další

Zdroj: Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology [J Obstet Gynaecol] 2025 Dec; Vol. 45 (1), pp. 2447997. Date of Electronic Publication: 2025 Jan 07.

Způsob vydávání: Journal Article; Systematic Review; Meta-Analysis

Informace o časopise: Publisher: Informa Healthcare Country of Publication: England NLM ID: 8309140 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1364-6893 (Electronic) Linking ISSN: 01443615 NLM ISO Abbreviation: J Obstet Gynaecol Subsets: MEDLINE

Výrazy ze slovníku MeSH: Methotrexate*/administration & dosage , Methotrexate*/therapeutic use , Pregnancy, Tubal*/drug therapy , Pregnancy, Tubal*/blood , Treatment Failure* , Abortifacient Agents, Nonsteroidal*/administration & dosage , Chorionic Gonadotropin, beta Subunit, Human*/blood, Humans ; Female ; Pregnancy ; Adult

Use of hormonal therapy for undescended testis? Results of a worldwide questionnaire.

Autoři: Lammers RJM 't Hoen LA O'Kelly F a další

Korporace: Lammers RJM 't Hoen LA O'Kelly F a další

Zdroj: Actas urologicas espanolas [Actas Urol Esp (Engl Ed)] 2025 Dec; Vol. 49 (10), pp. 501820. Date of Electronic Publication: 2025 Aug 07.

Způsob vydávání: Journal Article; Review

Informace o časopise: Publisher: Elsevier España Country of Publication: Spain NLM ID: 101771154 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2173-5786 (Electronic) Linking ISSN: 21735786 NLM ISO Abbreviation: Actas Urol Esp (Engl Ed) Subsets: MEDLINE

Výrazy ze slovníku MeSH: Cryptorchidism*/drug therapy , Cryptorchidism*/surgery , Practice Patterns, Physicians'*/statistics & numerical data , Chorionic Gonadotropin*/therapeutic use, Humans ; Male ; Surveys and Questionnaires ; Infant ; Gonadotropin-Releasing Hormone/therapeutic use ; Orchiopexy ; Child ; Child, Preschool