Christian Gnoth

ORCID: 0000-0001-6329-4075
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About
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Research Areas
  • Ovarian function and disorders
  • Assisted Reproductive Technology and Twin Pregnancy
  • Reproductive Biology and Fertility
  • Reproductive Health and Technologies
  • Medical and Health Sciences Research
  • Reproductive Health and Contraception
  • Complementary and Alternative Medicine Studies
  • Reproductive System and Pregnancy
  • Reproductive Physiology in Livestock
  • Adolescent Sexual and Reproductive Health
  • Pregnancy and Medication Impact
  • Prenatal Screening and Diagnostics
  • Hypothalamic control of reproductive hormones
  • Health and Medical Studies
  • Ovarian cancer diagnosis and treatment
  • Birth, Development, and Health
  • Sexual Differentiation and Disorders
  • Infant Health and Development
  • Family Dynamics and Relationships
  • Cardiovascular Issues in Pregnancy
  • Sports Science and Education
  • Historical Studies on Reproduction, Gender, Health, and Societal Changes
  • Hormonal and reproductive studies
  • Ectopic Pregnancy Diagnosis and Management
  • Endometriosis Research and Treatment

Endokrinologikum
2012-2021

Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe
2016-2020

Klinik für Frauenheilkunde
2016-2020

University Hospital Heidelberg
2020

University Hospital Cologne
2015-2020

University of Cologne
2007-2019

German Society of Surgery
2017

Heidelberg University
2017

Reproduktionsmedizin München
2016

Universitäts Frauenklinik
2006

The likelihood of spontaneous conception in subsequent cycles is important for a balanced management infertility. Previous studies on time to pregnancy are mostly retrospective and biased because exclusion truly infertile couples. study aim was present non-parametric estimation cumulative probabilities (CPC) natural family planning (NFP) users illustrating an ideal human fertility potential.A total 346 women observed who used NFP methods conceive from their first cycle onwards. couples...

10.1093/humrep/deg366 article EN Human Reproduction 2003-08-16

Diminished ovarian reserve has become a major cause of infertility. Anti-Mullerian hormone (AMH) seems to be promising candidate assess and predict the response controlled hyperstimulation (COH). This prospective study was conducted evaluate relevance AMH in routine IVF program.Three hundred sixteen patients were prospectively enrolled enter their first IVF/ICSI-cycle. Age, FSH-, inhibin B- AMH-levels predictive values for clinical pregnancy rate compared by discriminant analyses.A total 132...

10.1093/humrep/den108 article EN Human Reproduction 2008-04-04

The efficacy of fertility awareness based (FAB) methods family planning is critically reviewed. objective was to investigate the and acceptability symptothermal method (STM), an FAB that uses two indicators fertility, temperature cervical secretions observation. This paper will recommend a more suitable approach measure efficacy.Since 1985, ongoing prospective observational longitudinal cohort study has been conducted in Germany. Women are asked submit their menstrual cycle charts record...

10.1093/humrep/dem003 article EN Human Reproduction 2007-02-20

BACKGROUNDCumulative pregnancy rates (CPRs) and live birth (CLBRs) are much better indicators of success in IVF programmes than cross-sectional figures per cycle or embryo transfer. They allow a estimation patient's chances having child enable comparisons between centres treatment strategies.

10.1093/humrep/der178 article EN Human Reproduction 2011-06-09

The first home pregnancy test was introduced in 1976. Since then, tests have become the most common diagnostic assay used at home. Pregnancy use antibodies to detect human chorionic gonadotropin (hCG). It is an ideal marker of since it rises rapidly and consistently early can be detected urine. advanced currently available assesses level hCG found urine claims provide women with reliable results within just a few weeks pregnancy. Today, over 15 different types are buy counter Germany. Many...

10.1055/s-0034-1368589 article DE other-oa Geburtshilfe und Frauenheilkunde 2014-08-01

Objective The aim of the study was to examine relationships and interindividual variations in urinary serum reproductive hormone levels relative ultrasound-observed ovulation menstrual cycles apparently normally menstruating women.Methods This a prospective women (no known subfertility), aged 18–40 years (n = 40), who collected daily urine samples attended centre for blood transvaginal ultrasound during one complete cycle. Serum luteinising (LH), progesterone, estradiol, LH, pregnanediol-3-...

10.3109/13625187.2015.1048331 article EN The European Journal of Contraception & Reproductive Health Care 2015-05-27

Abstract Urinary hormone level analysis provides valuable fertility status information; however, previous studies have not referenced levels to the ovulation day, or used outdated methods. This study aimed produce reproductive ranges day determined by ultrasound. Women aged 18–40 years (no reported infertility) collected daily urine samples for one complete menstrual cycle. luteinising (LH), estrone-3-glucuronide (E3G, an estradiol metabolite), follicle stimulating (FSH) and...

10.1515/cclm-2014-1087 article EN Clinical Chemistry and Laboratory Medicine (CCLM) 2015-01-01

AbstractObjectives. The objective of the present paper is to review main results recent European cycle databases on ovulation detection and determination fertile window performed by women themselves.Methods. ongoing German Long-term Cycle Database currently comprises 32 788 prospectively collected charts 1551 women, I (10 countries) 1328 women/19 048 cycles, II (six 782 women/6724 World Health Organization (one country) 234 women/2808 cycles. record parameters (cervical mucus changes,...

10.1080/09513590500097507 article EN Gynecological Endocrinology 2005-06-01

Nearly 60% of the women between 20 and 40 years age who do not want to conceive choose oral contraceptives (OCs) for contraception in Germany. In an ongoing prospective study on use natural family planning Germany, 175 have been observed 3,048 cycles immediately after having discontinued OCs (post-pill group). They were compared a control group 284 6,251 cycles, had never taken OCs. Both groups comparable sociodemographic characteristics. After discontinuing OCs, 57.9% all first ovulatory...

10.1080/gye.16.4.307.317 article EN Gynecological Endocrinology 2002-01-01

To our knowledge, this is the first analysis in which male and female weights have been combined. The registry dataset covering a 12-year period was analysed for all treatment cycles where an embryo transfer reported. In all, 706,360 were analysed. Treatments include IVF, ICSI, IVF/ICSI CPE. highest success rate IVF found couples, with obese partner. group of women, pregnancy decreased to 27.2%. Similar treatment, ICSI either or partner obese. cryopreserved observed couples both lowest seen...

10.3109/09513590.2010.487617 article EN Gynecological Endocrinology 2010-06-14

To determine whether an optimal method exists for the detection of luteinising hormone (LH) surge onset in research datasets urinary hormonal profiles menstrual cycles. The scientific literature was searched to compare published methodologies LH urine. Their performance tested using complete from 254 ovulatory cycles 227 women attempting pregnancy (normal regular cycles; no known infertility). Three major urine were identified. key difference between these methods is how cycle days that...

10.1007/s00404-015-3732-z article EN cc-by Archives of Gynecology and Obstetrics 2015-05-04

The study aim was to validate Beckman Coulter's fully automated Access Immunoassay System (BC assay) for anti-Müllerian hormone (AMH) and compare it with Modified Manual Generation II assay Mod Gen II), regard cycle AMH fluctuations antral follicle counts.During one complete menstrual cycle, transvaginal ultrasound performed on regularly menstruating women (n=39; 18-40years) every 2 days until the dominant ovarian reached 16mm, then daily observed ovulation; blood samples were collected...

10.1515/cclm-2016-0609 article EN Clinical Chemistry and Laboratory Medicine (CCLM) 2016-12-17
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