Prenatal drug exposure and maternal and infant feeding behaviour

L L LaGasse1, D Messinger, B M Lester

  • 1Brown Medical School, Women & Infant's Hospital and Bradley Hospital, Providence, RI, USA. University of Miami, Miami, FL, USA. linda_lagasse@brown.edu

Insights

Prenatal opiate exposure in infants led to more feeding problems and heightened arousal, with mothers also showing increased feeding activity. Cocaine exposure did not impact infant feeding but affected maternal engagement.

Area of Science:

  • Neonatal development
  • Maternal-infant interaction
  • Substance exposure effects

Background:

  • Prenatal exposure to substances like cocaine and opiates can impact infant development.
  • Understanding feeding behaviors and maternal interactions is crucial for assessing infant well-being.

Purpose of the Study:

  • To evaluate feeding difficulties and maternal behavior in infants exposed prenatally to cocaine and/or opiates.
  • To differentiate effects of cocaine versus opiate exposure on infant feeding and maternal interaction.

Main Methods:

  • Part of the Maternal Lifestyle Study, analyzing videotaped feeding sessions of 1-month-old infants.
  • Included infants exposed to cocaine, opiates, both, and matched controls.
  • Coded infant sucking, arousal, feeding problems, and maternal activity/interaction.

Main Results:

  • No significant effects of cocaine exposure on infant feeding measures were observed.
  • Cocaine-exposed infants' mothers showed less engagement and shorter feeding sessions.
  • Opiate-exposed infants exhibited prolonged sucking, fewer pauses, more feeding problems, and increased arousal.
  • Mothers of opiate-exposed infants displayed increased activity, independent of infant feeding issues.

Conclusions:

  • Feeding issues in cocaine-exposed infants may stem from interaction quality, not direct exposure effects.
  • Opiate-exposed infants and their mothers demonstrated heightened arousal and feeding behaviors.
  • Findings highlight distinct impacts of prenatal cocaine and opiate exposure on infant-mother feeding dynamics.
Abstract

Related Concept Videos

Factors Affecting Drug Response: Overview01:21

Factors Affecting Drug Response: Overview

When it comes to infants and young children, they are typically administered smaller doses of medication in comparison to adults. This is primarily because their organ functions still need to fully develop, meaning their bodies are not as efficient at metabolizing or eliminating drugs. Additionally, their blood-brain barrier is more permeable than in adults. As a result, high concentrations of drugs can easily penetrate the central nervous system (CNS), potentially leading to neurological...
Teratogenicity01:07

Teratogenicity

The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses a challenge in...
Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
Drug Toxicity: Risk factors01:24

Drug Toxicity: Risk factors

Adverse Drug Reactions (ADRs) are potential complications that arise during pharmacotherapy, influenced by multiple risk factors. Age plays a significant role; both neonates and the elderly are at heightened risk due to their respective immature and diminished metabolic and elimination processes. Gender also impacts ADRs, with females experiencing a 1.5 to 1.7-fold greater risk than males, which may be linked to pharmacokinetic, pharmacodynamic, and hormonal differences. Notably, neonates, the...
Development of the Oral Microbiota01:28

Development of the Oral Microbiota

The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...