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List of works by Katherine Ahrens

A Time and Place for Causal Inference Methods in Perinatal and Paediatric Epidemiology ⬇️

scientific article published on May 1, 2013

A cautionary note about estimating effects of secondary exposures in cohort studies.

scientific article

Adherence to Vitamin D Intake Guidelines in the United States

scientific article published on 18 May 2020

Adherence to Vitamin D Recommendations Among US Infants Aged 0 to 11 Months, NHANES, 2009 to 2012.

scientific article published on 7 June 2015

Antiherpetic medication use and the risk of gastroschisis: findings from the National Birth Defects Prevention Study, 1997-2007.

scientific article published on 03 June 2013

Association of cadmium, lead and mercury with paraoxonase 1 activity in women

scientific article

Availability of Services Related to Achieving Pregnancy in U.S. Publicly Funded Family Planning Clinics

scientific article published on 04 September 2019

Beyond birth outcomes: Interpregnancy interval and injury-related infant mortality

scientific article published on 12 September 2019

Biological variability in serum anti-Müllerian hormone throughout the menstrual cycle in ovulatory and sporadic anovulatory cycles in eumenorrheic women.

scientific article

Birth Order and Injury-Related Infant Mortality in the U.S.

scientific article

Birth spacing in the United States-Towards evidence-based recommendations

article

Cardiovascular Health of Mothers in the United States: National Health and Nutrition Examination Survey 2007-2014

scientific article published on 20 November 2018

Clinic-Based Programs to Prevent Repeat Teen Pregnancy: A Systematic Review

scientific article published on 01 November 2018

Collinearity and Causal Diagrams: A Lesson on the Importance of Model Specification.

scientific article published on 26 August 2016

Complications and Safety of Preconception Low-Dose Aspirin Among Women With Prior Pregnancy Losses

scientific article published on 7 March 2016

Correcting for exposure misclassification using survival analysis with a time-varying exposure

scientific article

Depressive symptoms and their relationship with endogenous reproductive hormones and sporadic anovulation in premenopausal women

scientific article

Does Contraceptive Use in the United States Meet Global Goals?

scientific article

Effect of male and female body mass index on pregnancy and live birth success after in vitro fertilization.

scientific article published on 10 December 2014

Effects of over-the-counter analgesic use on reproductive hormones and ovulation in healthy, premenopausal women

scientific article published on 6 May 2015

Electronic Cigarette Use in US Households With Children: The "New" Secondhand Smoke

scientific article published on 01 July 2019

Evaluation of a new point-of-care serologic assay for herpes simplex virus type 2 infection.

scientific article published in November 2008

Female Age at First Sexual Intercourse by Rural-Urban Residence and Birth Cohort

scientific article published on 20 August 2019

Folate Levels by Time Since Last Live Birth Among U.S. Women, 2007-2016

scientific article published on 25 November 2020

Folic acid intake and spina bifida in the era of dietary folic acid fortification

scientific article published on September 2011

Future directions in performance measures for contraceptive care: a proposed framework

scientific article

Good practices for the design, analysis, and interpretation of observational studies on birth spacing and perinatal health outcomes

article

HIV partner notification outcomes for HIV-infected patients by duration of infection, San Francisco, 2004 to 2006.

scientific article published in December 2007

Healthy Penis: San Francisco's social marketing campaign to increase syphilis testing among gay and bisexual men.

scientific article

High prevalence of gonococcal and chlamydial infection in men who have sex with men with newly diagnosed HIV infection: an opportunity for same-day presumptive treatment

scientific article published on May 2008

Housing Assistance and Blood Lead Levels: Children in the United States, 2005-2012.

scientific article published on 15 September 2016

Increased knowledge of safe and appropriate penicillin injection after viewing brief instructional video titled "how to inject Bicillin LA".

scientific article published in March 2009

Indicators of use of methamphetamine and other substances among men who have sex with men, San Francisco, 2003-2006.

scientific article published on 10 April 2007

Influenza Vaccination Among US Children With Asthma, 2005-2013

scientific article published on 27 October 2015

Interpregnancy Interval and Adverse Pregnancy Outcomes: An Analysis of Successive Pregnancies

scientific article

Letter to the editor from Ahrens and Schisterman

scientific article published on 25 July 2013

Limited knowledge and use of HIV post- and pre-exposure prophylaxis among gay and bisexual men

scientific article published in February 2008

Low-dose aspirin and preterm birth: a randomized controlled trial

scientific article published in April 2015

Luteal phase deficiency in regularly menstruating women: prevalence and overlap in identification based on clinical and biochemical diagnostic criteria

scientific article

Maternal opioid use disorder at delivery hospitalization in a rural state: Maine, 2009-2018

scientific article published on 14 February 2020

Molecular epidemiology of syphilis--San Francisco, 2004-2007.

scientific article published on October 2010

Optimal Birth Spacing: What Can We Measure and What Do We Want to Know?

scientific article

Parity associated with telomere length among US reproductive age women.

scientific article published on 14 February 2018

Patterns and trends in contraceptive use among women attending Title X clinics and a national sample of low-income women

scientific article published on 12 March 2019

Perceived stress, reproductive hormones, and ovulatory function: a prospective cohort study

scientific article

Pilot study of placental tissue collection, processing, and measurement procedures for large scale assessment of placental inflammation.

scientific article

Plurality of Birth and Infant Mortality Due to External Causes in the United States, 2000-2010.

scientific article

Post-partum interval and time to pregnancy in a prospective preconception cohort

scientific article published on 23 July 2020

Predictors of Plasma Fluoride Concentrations in Children and Adolescents

scientific article published on 09 December 2020

Predictors of incident herpes simplex virus type 2 infections in young women at risk for unintended pregnancy in San Francisco

scientific article

Pregnancy loss history at first parity and selected adverse pregnancy outcomes.

scientific article

Receipt of Selected Preventive Health Services for Women and Men of Reproductive Age - United States, 2011-2013.

scientific article

Reconstructing a Pregnancy Cohort to Examine Potential Selection Bias in Studies on Racial Disparities in Preterm Delivery

scientific article published on 29 October 2016

Reducing Unintended Pregnancies as a Strategy to Avert Zika-Related Microcephaly Births in the United States: A Simulation Study

scientific article

Refining Assessment of Contraceptive Use in the Past Year in Relation to Risk of Unintended Pregnancy

scientific article published on 16 April 2020

Relationship Between Mean Leucocyte Telomere Length and Measures of Allostatic Load in US Reproductive-Aged Women, NHANES 1999-2002.

scientific article published on 8 February 2016

Report of the Office of Population Affairs' expert work group meeting on short birth spacing and adverse pregnancy outcomes: Methodological quality of existing studies and future directions for research

article

Risks and safety of pandemic H1N1 influenza vaccine in pregnancy: exposure prevalence, preterm delivery, and specific birth defects.

scientific article

Rural-Urban Differences in Hospitalizations for Opioid Use-Associated Infective Endocarditis in the United States, 2003-2016

scientific article published on 21 February 2020

Seasonal influenza vaccination during pregnancy and the risks of preterm delivery and small for gestational age birth

scientific article

Serum leptin levels and reproductive function during the menstrual cycle

scientific article

Sexual activity, endogenous reproductive hormones and ovulation in premenopausal women

scientific article

Short interpregnancy interval and pregnancy outcomes: How important is the timing of confounding variable ascertainment?

scientific article published on 03 December 2020

Short interpregnancy intervals and adverse maternal outcomes in high-resource settings: An updated systematic review

article

Short interpregnancy intervals and adverse perinatal outcomes in high-resource settings: An updated systematic review

article

Short interpregnancy intervals and adverse pregnancy outcomes by maternal age in the United States

scientific article published on 11 December 2018

Side Effects and Health Benefits of Depot Medroxyprogesterone Acetate: A Systematic Review

scientific article published on 01 February 2019

Studying the causal effect of long interpregnancy intervals

scientific article published on 05 May 2020

The acceptability and feasibility of the Positive Reinforcement Opportunity Project, a community-based contingency management methamphetamine treatment program for gay and bisexual men in San Francisco.

scientific article

The decline in clinical sequelae of genital Chlamydia trachomatis infection supports current control strategies

scientific article published in May 2006

The effect of physical activity across the menstrual cycle on reproductive function

scientific article

The relationship between sugar-sweetened beverages and liver enzymes among healthy premenopausal women: a prospective cohort study

scientific article

The use and performance of oral-throat rinses to detect pharyngeal Neisseria gonorrhoeae and Chlamydia trachomatis infections

scientific article published on 26 July 2007

Time for Better Access to High Quality Abortion Data in the US

scientific article published on 27 March 2020

Trends in Health Insurance Coverage of Title X Family Planning Program Clients, 2005-2015.

scientific article published on 13 December 2017

Trends in Risk of Pregnancy Loss Among US Women, 1990-2011.

scientific article

Trends in Timing of Pregnancy Awareness Among US Women

scientific article published on 23 July 2016

Trends in the use of sexually transmitted disease diagnostic technologies in California, 1996-2003.

scientific article published on July 2007

Understanding the extent of contraceptive non-use among women at risk of unintended pregnancy, National Survey of Family Growth 2011-2017

scientific article published on 11 July 2020

Unintended pregnancy and interpregnancy interval by maternal age, National Survey of Family Growth

scientific article published on 01 March 2018

Update: Providing Quality Family Planning Services - Recommendations from CDC and the U.S. Office of Population Affairs, 2017.

scientific article published on 22 December 2017

Updating the Systematic Reviews Used to Develop the U.S. Recommendations for Providing Quality Family Planning Services

scientific article published on 01 November 2018

Use of antiepileptic medications in pregnancy in relation to risks of birth defects

scientific article published on November 2011

Using surveillance data to monitor entry into care of newly diagnosed HIV-infected persons: San Francisco, 2006-2007

scientific article

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