2024
A retrospective analysis of factors associated with deep contraceptive implant removals compared to superficial removals
Kendall P, Bresnitz W, Huang J, Sheeder J, Lazorwitz A. A retrospective analysis of factors associated with deep contraceptive implant removals compared to superficial removals. Contraception 2024, 137: 110486. PMID: 38754757, DOI: 10.1016/j.contraception.2024.110486.Peer-Reviewed Original ResearchContraceptive implant removalLower body mass indexBody mass indexImplant removalSuperficial removalWeight gainAssociated with younger ageRetrospective cohort studyMann-Whitney U testMultivariate logistic regressionAssociated with increased oddsFactors associated with increased likelihoodHealth record reviewContraceptive implantsImplant exchangeFischer's exactElectronic health record reviewImplant useComparing patientsRetrospective analysisMass indexCohort studyPatient characteristicsRemoval groupInserting contraceptive implantsPilot 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
2022
P077Pilot study on a novel, alternative subdermal scapular insertion site for the etonogestrel contraceptive implant
Clure C, Sheeder J, Lazorwitz A. P077Pilot study on a novel, alternative subdermal scapular insertion site for the etonogestrel contraceptive implant. Contraception 2022, 116: 91. DOI: 10.1016/j.contraception.2022.09.101.Peer-Reviewed Original ResearchEtonogestrel contraceptive implantContraceptive implantsENG implantENG levelsSide effectsMedian pain scoreTime pointsReproductive-aged womenScapular insertionPain scoresSite painMedian ageMedian BMIImplant useInferior edgeInsertion siteWeek twoYears of useFirst weekPilot studyImplant usersPharmacokineticsImplantsFirst yearWeeks
2021
Etonogestrel contraceptive implant uptake and safety among solid organ transplant recipients
Lew J, Sheeder J, Lazorwitz A. Etonogestrel contraceptive implant uptake and safety among solid organ transplant recipients. Contraception 2021, 104: 556-560. PMID: 34147509, PMCID: PMC8502202, DOI: 10.1016/j.contraception.2021.06.007.Peer-Reviewed Original ResearchConceptsSolid organ transplant recipientsOrgan transplant recipientsReproductive-age womenEtonogestrel contraceptive implantContraceptive implant usersTransplant recipientsContraceptive implantsCommon transplant-related complicationPost-transplant infectionsSafe contraceptive optionTransplant-related outcomesRetrospective cohort studyTransplant-related complicationsGraft-related complicationsSide effect profileTertiary medical centerRisk of pregnancyImplant usersContraceptive implant useAdditional health risksPregnancy patternsCohort studyGraft complicationsGraft rejectionEffect profile
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
2019
Relationship Between Etonogestrel Concentrations and Bleeding Patterns in Contraceptive Implant Users.
Lazorwitz A, Aquilante C, Dindinger E, Harrison M, Sheeder J, Teal S. Relationship Between Etonogestrel Concentrations and Bleeding Patterns in Contraceptive Implant Users. Obstetrics And Gynecology 2019, 134: 807-813. PMID: 31503152, PMCID: PMC6768730, DOI: 10.1097/aog.0000000000003452.Peer-Reviewed Original ResearchConceptsSerum etonogestrel concentrationsContraceptive implant usersEtonogestrel concentrationsOral contraceptive pillsRelated side effectsAbnormal bleedingSide effectsBleeding patternsContraceptive pillsContraceptive implantsBothersome bleedingImplant usersProspective cross-sectional studyReproductive-aged womenMultivariable logistic regressionHormonal contraceptive methodsCross-sectional studyDiscontinuation ratesEtonogestrel implantsPatient satisfactionPill prescriptionMedical recordsBleedingContraceptive methodsImplant use
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
2017
The effect of carbamazepine on etonogestrel concentrations in contraceptive implant users
Lazorwitz A, Davis A, Swartz M, Guiahi M. The effect of carbamazepine on etonogestrel concentrations in contraceptive implant users. Contraception 2017, 95: 571-577. PMID: 28288788, DOI: 10.1016/j.contraception.2017.03.004.Peer-Reviewed Original ResearchConceptsEtonogestrel concentrationsEtonogestrel contraceptive implantCarbamazepine coadministrationFollicle-like structuresOvulatory suppressionEndometrial thicknessMean ageContraceptive implantsPg/Contraceptive implant usersEtonogestrel implant usersSerum etonogestrel concentrationsReproductive-age womenBody mass indexRisk of pregnancyEffects of carbamazepineImplant usersParticipants' mean ageImpact of carbamazepineEtonogestrel levelsMedian durationPharmacodynamic changesTransvaginal ultrasoundMajority of participantsMass index