Lyndsay Ammon Avalos

Learn More
This study aims to estimate the prevalence of and temporal trends in prenatal antipsychotic medication use within a cohort of pregnant women in the U.S. We identified live born deliveries to women aged 15–45 years in 2001–2007 from 11 U.S. health plans participating in the Medication Exposure in Pregnancy Risk Evaluation Program. We ascertained prenatal(More)
BACKGROUND Although vaccination with trivalent inactivated influenza vaccine (TIV) is recommended for all pregnant women, no vaccine effectiveness (VE) studies of TIV in pregnant women have assessed laboratory-confirmed influenza outcomes. METHODS We conducted a case-control study over 2 influenza seasons (2010-2011 and 2011-2012) among Kaiser Permanente(More)
We assessed the relationship between stress, substance use and sexual risk behaviors in a primary care population in Cape Town, South Africa. A random sample of participants (and over-sampled 18–24-year-olds) from 14 of the 49 clinics in Cape Town’s public health sector using stratified random sampling (n = 2,618), was selected. We evaluated current(More)
OBJECTIVE To assess the effects of depression and antidepressant medication use during pregnancy on the risk of preeclampsia. METHODS We conducted a retrospective, population-based cohort study that linked automated clinical and pharmacy databases including comprehensive electronic medical records of 21,589 pregnant Kaiser Permanente Northern California(More)
The objective of this study was to assess whether women who do not take multinutrient supplements during early pregnancy are more susceptible to the effects of low-to-moderate alcohol consumption on preterm birth and small-for-gestational-age birth (SGA) compared to women who do take multinutrients. This analysis included 800 singleton live births to(More)
BACKGROUND Little is known about the extent of antiepileptic drug (AED) use in pregnancy, particularly for newer agents. Our objective was to assess whether AED use has increased among pregnant women in the US, 2001-2007. METHODS   We analysed data from the Medication Exposure in Pregnancy Risk Evaluation Program (MEPREP) database, 1 January 2001 to 31(More)
AIMS Concern about the effects of alcohol and drug use during pregnancy is intertwined with debates about abortion. There is concern that alcohol abstinence recommendations lead women using low levels of alcohol to terminate otherwise wanted pregnancies. This study examines how women describe alcohol, tobacco and/or drug use (ATOD) as reasons for deciding(More)
Although many members of Alcoholics Anonymous (AA) are introduced to AA during treatment, the relationship between treatment and AA attendance over time is unknown. This paper describes four latent classes of AA attendance among 586 dependent alcoholics interviewed by telephone 1, 3, 5 and 7 years after baseline, and models the relationship between(More)
BACKGROUND Research on alcohol consumption during pregnancy and miscarriage spans over three decades, yet the relationship is still not well-understood. OBJECTIVES To assess the relationship between volume and type of alcohol consumed during pregnancy in relation to miscarriage. METHODS We utilized data from a population-based cohort study of pregnant(More)
BACKGROUND This study examines whether the effects of formal substance use treatment utilization and Alcoholics Anonymous (AA) on 30-day abstinence vary for black versus white Americans. METHODS The current analysis utilizes data from a longitudinal sample of 1013 black and white, dependent and problem drinkers across a 7-year period. Participants were(More)