2023
hMG addition affects the change in progesterone level during IVF stimulation and LBR: a retrospective cohort study
Wesevich V, Seckin S, Kelk D, Kallen A, Kodaman P. hMG addition affects the change in progesterone level during IVF stimulation and LBR: a retrospective cohort study. Reproductive Biology And Endocrinology 2023, 21: 117. PMID: 38057813, PMCID: PMC10699021, DOI: 10.1186/s12958-023-01150-1.Peer-Reviewed Original ResearchConceptsClinical pregnancy rateFresh embryo transferPeak P levelsPregnancy outcomesEmbryo transferPregnancy rateIVF stimulationCohort studyHigher clinical pregnancy rateOvarian hyperstimulation IVFSingle fertility centerMethodsRetrospective cohort studyRetrospective cohort studyClinical pregnancy outcomesDay of triggerFrozen embryo transferMultivariable logistic modelLower pregnancy ratesP riseEndometrial receptivityProvider recommendationFertility centerProgesterone levelsConclusionsOur dataHigher LBR
2020
Updates on molecular and environmental determinants of luteal progesterone production
DeWitt NA, Whirledge S, Kallen AN. Updates on molecular and environmental determinants of luteal progesterone production. Molecular And Cellular Endocrinology 2020, 515: 110930. PMID: 32610113, PMCID: PMC7484338, DOI: 10.1016/j.mce.2020.110930.Peer-Reviewed Original ResearchConceptsProgesterone productionKey sex steroidsLuteal progesterone productionGranulosa cell functionCAMP/PKA pathwayLuteal progesteroneEarly pregnancyGonadotropin stimulationProgesterone levelsSex steroidsHormonal factorsClassic mediatorsCorpus luteumNarrative reviewCritical hormoneSteroid hormonesExogenous environmental chemicalsCell functionEnvironmental chemicalsHormoneRecent evidenceEndogenous hormonesProgesteronePKA pathwayLocal production
2013
Aberrant endocrinology and ovarian response to clomiphene citrate during the course of an undiagnosed early intrauterine pregnancy: a case report.
Kallen AN, Luk J, Pal L. Aberrant endocrinology and ovarian response to clomiphene citrate during the course of an undiagnosed early intrauterine pregnancy: a case report. The Journal Of Reproductive Medicine 2013, 58: 256-60. PMID: 23763012.Peer-Reviewed Original ResearchConceptsEarly pregnancyOI cyclesFollicular responseOvulation inductionSerum progesteroneTreatment cyclesEmbryonic exposureBeta-hCG testingEarly intrauterine pregnancyRepeat treatment cyclesLow serum levelsProgression of pregnancyIntrauterine pregnancyReview of literatureThin endometriumOvarian responseSerum levelsFertility drugsTransvaginal ultrasoundEstradiol levelsSuccessful pregnancyInfertile patientsCase reportPregnancy progressionRepeat treatment