2024
The influence of lifestyle factors on serum etonogestrel concentrations among contraceptive implant users
Lazorwitz A, Sheeder J, Teal S. The influence of lifestyle factors on serum etonogestrel concentrations among contraceptive implant users. Contraception 2024, 110539. PMID: 39002624, DOI: 10.1016/j.contraception.2024.110539.Peer-Reviewed Original ResearchContraceptive implant usersSerum etonogestrel concentrationsEtonogestrel concentrationsImplant usersEtonogestrel implant usersSteady-state pharmacokineticsLifestyle factorsIncreased caloric intakeInfluence of lifestyle factorsCaloric intakeSubstance useCross-sectional analysisEtonogestrelCurrent dietInconsistent associationsExercise habitsAssociationDietPharmacokineticsExerciseSerumSurvey responsesIntakePilot study of a novel, alternative subdermal scapular insertion site for the etonogestrel contraceptive implant
Clure C, Sheeder J, Lazorwitz A. Pilot study of a novel, alternative subdermal scapular insertion site for the etonogestrel contraceptive implant. Contraception 2024, 135: 110442. PMID: 38552822, DOI: 10.1016/j.contraception.2024.110442.Peer-Reviewed Original ResearchEtonogestrel contraceptive implantContraceptive implantsMedian body mass indexMedian pain scoreBody mass indexTime pointsBleeding side effectsEtonogestrel implantImplant placementReproductive-age femalesENG implantSite painPain scoresMedian ageInsertion siteEtonogestrelMass indexPilot studyPatient populationInferior edgeSide effectsPharmacokineticsImplantationWeeksSerum
2021
Variability in repeat serum etonogestrel concentrations among contraceptive implant users during the steady-release pharmacokinetic period
Lazorwitz A, Sheeder J, Teal S. Variability in repeat serum etonogestrel concentrations among contraceptive implant users during the steady-release pharmacokinetic period. Contraception 2021, 108: 65-68. PMID: 34973207, PMCID: PMC9011406, DOI: 10.1016/j.contraception.2021.12.008.Peer-Reviewed Original ResearchConceptsSerum etonogestrel concentrationsContraceptive implant usersEtonogestrel concentrationsImplant usersEtonogestrel implant usersSingle-time measurementsEtonogestrel implantsPharmacokinetic outcomesRepeated measures testSmall studyPharmacokinetic measurementsTime pointsPharmacokinetic studyConfidence intervalsMeasures studyImplant studiesMeasures testEtonogestrel
2020
A pilot study on the effect of isotretinoin on serum etonogestrel concentrations in contraceptive implant users
Lazorwitz A, Seale R, Davis A, Guiahi M. A pilot study on the effect of isotretinoin on serum etonogestrel concentrations in contraceptive implant users. Contraception 2020, 102: 58-60. PMID: 32325076, PMCID: PMC7272275, DOI: 10.1016/j.contraception.2020.04.011.Peer-Reviewed Original ResearchConceptsSerum etonogestrel concentrationsContraceptive implant usersEtonogestrel concentrationsReproductive-age womenOvulatory suppressionContraceptive implantsImplant usersHealthy reproductive-age womenEffect of isotretinoinEtonogestrel contraceptive implantIsotretinoin therapyPharmacokinetic interactionsReliable contraceptionIsotretinoinSmall studyPilot studyPotent teratogenBaselineWomenSignificant changesAppropriate optionImplantsEtonogestrelPatientsPregnancy
2018
Ongoing Etonogestrel Contraceptive Implant Use Throughout Pregnancy
Lazorwitz A, Coleman-Minahan K, Teal S, Guiahi M. Ongoing Etonogestrel Contraceptive Implant Use Throughout Pregnancy. Journal Of Adolescent Health 2018, 63: 363-364. PMID: 30076014, DOI: 10.1016/j.jadohealth.2018.03.021.Peer-Reviewed Original ResearchConceptsContraceptive implantsPostpartum contraceptive methodAdverse pregnancy outcomesContraceptive implant useNeonatal outcomesPregnancy outcomesImplant exposureTeratogenic riskCase reportFavorable outcomeContraceptive methodsPharmacologic literatureClinical observationsImplant usePregnancyOutcomesImplantsNulligravidaEtonogestrelPatientsMore data