2022
Impact of prelacteal feeds and neonatal introduction of breast milk substitutes on breastfeeding outcomes: A systematic review and meta‐analysis
Pérez‐Escamilla R, Hromi‐Fiedler A, Rhodes EC, Neves PAR, Vaz J, Vilar‐Compte M, Segura‐Pérez S, Nyhan K. Impact of prelacteal feeds and neonatal introduction of breast milk substitutes on breastfeeding outcomes: A systematic review and meta‐analysis. Maternal And Child Nutrition 2022, 18: e13368. PMID: 35489107, PMCID: PMC9113480, DOI: 10.1111/mcn.13368.Peer-Reviewed Original ResearchConceptsBF outcomesBreast milkNeonatal periodSystematic reviewProspective studyRisk factorsSuboptimal breastfeeding outcomesLate neonatal periodOnly prospective studiesSignificant risk factorsEarly introductionDays of lifeWeb of SciencePrelacteal feedsBF durationBreastfeeding outcomesWeeks postpartumInclusion criteriaPrelactealsStudy designEffective interventionsObserved associationsOutcomesFeeding studyCessation
2003
The longer you stay, the bigger you get: Length of time and language use in the U.S. are associated with obesity in Puerto Rican women
Himmelgreen DA, Pérez‐Escamilla R, Martinez D, Bretnall A, Eells B, Peng Y, Bermúdez A. The longer you stay, the bigger you get: Length of time and language use in the U.S. are associated with obesity in Puerto Rican women. American Journal Of Biological Anthropology 2003, 125: 90-96. PMID: 15293335, DOI: 10.1002/ajpa.10367.Peer-Reviewed Original ResearchConceptsBody mass indexPuerto Rican womenMean body mass indexHigher body mass indexLength of timeLow-income Puerto Rican womenObesity prevention programsCross-sectional studyTotal sampleMass indexObesity prevalencePrevention programsSignificant associationObesityWomenSignificant differencesSignificant increaseMore researchObesePuerto RicoYearsPrevalenceStudy point
2002
Stress During Labor and Delivery Is Associated with Delayed Onset ofLactation among Urban Guatemalan Women
Grajeda R, Pérez-Escamilla R. Stress During Labor and Delivery Is Associated with Delayed Onset ofLactation among Urban Guatemalan Women. Journal Of Nutrition 2002, 132: 3055-3060. PMID: 12368395, DOI: 10.1093/jn/131.10.3055.Peer-Reviewed Original ResearchMeSH KeywordsAdultBreast FeedingCohort StudiesDelivery, ObstetricDeveloping CountriesFemaleGuatemalaHumansHydrocortisoneLabor, ObstetricLactationLactation DisordersLongitudinal StudiesObstetric Labor ComplicationsParityPregnancySalivaStress, PhysiologicalStress, PsychologicalSurveys and QuestionnairesTime FactorsUrban PopulationConceptsUrban Guatemalan womenOnset of lactationMultiparous womenRisk factorsCortisol levelsEmergency cesarean section deliveryGuatemalan womenCesarean section deliveryBreast-feeding outcomesSignificant risk factorsMode of deliverySalivary cortisol levelsModel multivariate analysisSalivary cortisol concentrationsSocial Security HospitalGeneral linear model multivariate analysisHigher antepartumSection deliveryHealthy womenPrimiparous womenSalivary samplesCortisol concentrationsPsychosocial stressMultivariate analysisWomen
2001
Unplanned Pregnancies Are Associated with Less Likelihood of Prolonged Breast-Feeding among Primiparous Women in Ghana
Chinebuah B, Pérez-Escamilla R. Unplanned Pregnancies Are Associated with Less Likelihood of Prolonged Breast-Feeding among Primiparous Women in Ghana. Journal Of Nutrition 2001, 131: 1247-1249. PMID: 11285333, DOI: 10.1093/jn/131.4.1247.Peer-Reviewed Original ResearchConceptsPrimiparous womenBreast-feeding promotion programsBackward stepwise multivariate logistic regressionStepwise multivariate logistic regressionGreater median durationProlonged breast feedingBreast-feeding durationMultivariate logistic regressionCross-sectional analysisMedian durationBreast feedingMultiparous womenPregnancy intentionUnplanned pregnancyHealth SurveyPromotion programsKey confoundersLogistic regressionPregnancyWomenChild's ageDurationConfoundersDemographicsCan Women Remember WhenTheir Milk Came in?
Pérez-Escamilla R, Chapman D. Can Women Remember WhenTheir Milk Came in? Advances In Experimental Medicine And Biology 2001, 501: 567-572. PMID: 11787730, DOI: 10.1007/978-1-4615-1371-1_71.Peer-Reviewed Original ResearchMeSH KeywordsAdultEthnicityFemaleHumansLactationLongitudinal StudiesMental RecallPerceptionPostpartum PeriodTime Factors
2000
Maternal Perception of the Onset of Lactation Is a Valid, Public Health Indicator of Lactogenesis Stage II
Chapman D, Pérez-Escamilla R. Maternal Perception of the Onset of Lactation Is a Valid, Public Health Indicator of Lactogenesis Stage II. Journal Of Nutrition 2000, 130: 2972-2980. PMID: 11110856, DOI: 10.1093/jn/130.12.2972.Peer-Reviewed Original ResearchMulticenter study of the lactational amenorrhea method (LAM) III: effectiveness, duration, and satisfaction with reduced client–provider contact11With the Principal Investigators from each site: Michele Barbato, MD, Italy; Thelma E. Canto de C., MD, Mexico; O.A. Dada, PhD, Sagamu, Nigeria; Loraine Hollins, United Kingdom; Wolfgang Senger, MD, Germany; Joe A. M. Otubu, MD, Jos, Nigeria; Rebecca Ramos, MD, Philippines; Mamdouh M. Shabaan, MD, Egypt; Jean-Gilles Tchabo, MD, United States; and Annette Kaplan, BSc, RNM, Sweden.
Peterson A, Peŕez-Escamilla R, Labboka M, Hight V, von Hertzen H, Van Look P. Multicenter study of the lactational amenorrhea method (LAM) III: effectiveness, duration, and satisfaction with reduced client–provider contact11With the Principal Investigators from each site: Michele Barbato, MD, Italy; Thelma E. Canto de C., MD, Mexico; O.A. Dada, PhD, Sagamu, Nigeria; Loraine Hollins, United Kingdom; Wolfgang Senger, MD, Germany; Joe A. M. Otubu, MD, Jos, Nigeria; Rebecca Ramos, MD, Philippines; Mamdouh M. Shabaan, MD, Egypt; Jean-Gilles Tchabo, MD, United States; and Annette Kaplan, BSc, RNM, Sweden. Contraception 2000, 62: 221-230. PMID: 11172792, DOI: 10.1016/s0010-7824(00)00171-2.Peer-Reviewed Original ResearchConceptsLactational amenorrhea methodMulticenter studyPostpartum family planning methodRate of continuationFamily planning methodsHealth care settingsTime of intakeDepartment of NutritionGeorgetown University InstituteLAM efficacyLAM useMonth 7Extensive counselingMonths postpartumMethod of familyCare settingsReproductive healthPooled dataEfficacyPostpartumTwo-thirdsPrincipal investigatorDescriptive statisticsWomenLife tablesThe Onset of Lactation: Implications For Breast-Feeding Promotion Programs
Pérez-Escamilla R, Chapman D. The Onset of Lactation: Implications For Breast-Feeding Promotion Programs. Advances In Experimental Medicine And Biology 2000, 478: 425-426. PMID: 11065114, DOI: 10.1007/0-306-46830-1_59.Peer-Reviewed Original ResearchMaternal Perception of the Onset of Lactation: A Valid Indicator of Lactogenesis Stage II?
Chapman D, Pérez-Escamilla R. Maternal Perception of the Onset of Lactation: A Valid Indicator of Lactogenesis Stage II? Advances In Experimental Medicine And Biology 2000, 478: 423-424. PMID: 11065113, DOI: 10.1007/0-306-46830-1_58.Peer-Reviewed Original Research
1999
Does Delayed Perception of the Onset of Lactation Shorten Breastfeeding Duration?
Chapman D, Perez-Escamilla R. Does Delayed Perception of the Onset of Lactation Shorten Breastfeeding Duration? Journal Of Human Lactation 1999, 15: 107-111. PMID: 10578785, DOI: 10.1177/089033449901500207.Peer-Reviewed Original ResearchIdentification of Risk Factors for Delayed Onset of Lactation
CHAPMAN D, PÉREZ-ESCAMILLA R. Identification of Risk Factors for Delayed Onset of Lactation. Journal Of The Academy Of Nutrition And Dietetics 1999, 99: 450-454. PMID: 10207398, DOI: 10.1016/s0002-8223(99)00109-1.Peer-Reviewed Original ResearchConceptsOnset of lactationDay 1 postpartumSelf-reported timingRisk factorsBreast-feeding supportDelivery-related factorsStage 2 laborUnscheduled cesarean deliveriesInfant birth weightInfant feeding methodMultivariate logistic regressionSelf-reported onsetFirst week postpartumChi 2 analysisDelivery of offspringTerm singletonsBreast symptomsCesarean deliveryVaginal deliveryBirth weightHours postpartumWeeks postpartumFrequent nursingIndependent associationMedical recordsSpecifying the antecedents of breast-feeding duration in Peru through a structural equation model
Pérez-Escamilla R, Cobas J, Balcazar H, Benin M. Specifying the antecedents of breast-feeding duration in Peru through a structural equation model. Public Health Nutrition 1999, 2: 461-467. PMID: 10656465, DOI: 10.1017/s1368980099000646.Peer-Reviewed Original ResearchConceptsBreast-feeding durationBreast-feeding initiationUnplanned pregnancySocioeconomic statusLast childHigher socioeconomic statusEarly discontinuationPrenatal careRisk factorsHealth SurveyPeruvian DemographicOlder childrenPregnancyChildrenDurationWomenStatusInitiationWhole sampleDiscontinuationYearsComplex mechanismsCareDemographics
1997
Delayed clamping of the umbilical cord improves hematologic status of Guatemalan infants at 2 mo of age
Grajeda R, Pérez-Escamilla R, Dewey K. Delayed clamping of the umbilical cord improves hematologic status of Guatemalan infants at 2 mo of age. American Journal Of Clinical Nutrition 1997, 65: 425-431. PMID: 9022526, DOI: 10.1093/ajcn/65.2.425.Peer-Reviewed Original ResearchConceptsTime of deliveryHematologic statusUmbilical cordGuatemalan infantsHematocrit valuesIron deficiency anemiaFeasible low-cost interventionsCost-effective interventionLow-cost interventionMo of ageSerious health problemHigher hematocrit valuesCord clampingClamping groupDeficiency anemiaHematologic assessmentMo postpartumGroup 2Millions of childrenGroup 3Control groupHemoglobin concentrationHealth problemsCordInfants
1996
The association between cesarean delivery and breast-feeding outcomes among Mexican women.
Pérez-Escamilla R, Maulén-Radovan I, Dewey K. The association between cesarean delivery and breast-feeding outcomes among Mexican women. American Journal Of Public Health 1996, 86: 832-6. PMID: 8659658, PMCID: PMC1380403, DOI: 10.2105/ajph.86.6.832.Peer-Reviewed Original ResearchConceptsBreast-feeding durationCesarean sectionBreast-feeding supportCesarean section deliveryBreast-feeding outcomesMultivariate logistic regressionMultivariate survival analysisEarly postpartum periodSection deliveryCesarean deliveryBreast feedingPostpartum periodRisk factorsHealth SurveySurvival analysisLogistic regressionMexican womenWomenMonthsDurationDeliveryAssociationPhysiciansDemographics
1995
Exclusive breast-feeding duration is associated with attitudinal, socioeconomic and biocultural determinants in three Latin American countries.
Pérez-Escamilla R, Lutter C, Segall A, Rivera A, Treviño-Siller S, Sanghvi T. Exclusive breast-feeding duration is associated with attitudinal, socioeconomic and biocultural determinants in three Latin American countries. Journal Of Nutrition 1995, 125: 2972-84. PMID: 7500175, DOI: 10.1093/jn/125.12.2972.Peer-Reviewed Original ResearchConceptsMaternity wardBreast-feeding promotion programsExclusive breast-feeding durationDuration of EBFBreast-feeding durationInfant feeding methodMultivariate survival analysisHigh birth weightLow-income urban womenMo of lifeLow socioeconomic statusBiocultural determinantsBirth weightFemale infantInternational health organizationsPromotion programsSurvival analysisMaternal educationUrban womenHealth OrganizationSocioeconomic statusPromotion effortsWardsWomenFeeding method
1993
Determinants of lactation performance across time in an urban population from Mexico
Perez-Escamilla R, Segura-Millán S, Pollitt E, Dewey K. Determinants of lactation performance across time in an urban population from Mexico. Social Science & Medicine 1993, 37: 1069-1078. PMID: 8235739, DOI: 10.1016/0277-9536(93)90441-6.Peer-Reviewed Original ResearchConceptsFull breastfeedingInfant ageMaternal body mass indexDeterminants of breastfeedingHealthy term infantsBody mass indexEarly introductionSocial supportFormula supplementationSupplementary bottlesTerm infantsMass indexHealthy mothersBreastfeedingMultivariate analysisLactation performanceFirst weekPublic hospitalsMonthsAgeMothersMaternal employmentDurationUrban populationHospital
1992
The epidemiology of breast-feeding in Mexico: rural vs. urban areas.
Perez-Escamilla R, Dewey K. The epidemiology of breast-feeding in Mexico: rural vs. urban areas. Bulletin Of The Pan American Health Organization 1992, 26: 30-6. PMID: 1600435.Peer-Reviewed Original Research