Pilar Vigil

Luteal Phase · Progesterone Support

Progesterone supplementation after postovulatory mifepristone reduce changes in human endometrial gene expression

Tapia-Pizarro A et al., 2025

Neuroendocrinology · Hypothalamic Pituitary Axis

Neuroactive hormones and personal growth: associations in Chilean adolescents (ages 12-25) with ovulatory dysfunction

Del Río JP et al., 2024

Neuroendocrinology · Hypothalamic Amenorrhea

Chronic Stress and Ovulatory Dysfunction: Implications in Times of COVID-19

Vigil P et al., 2022

Methods · Sympto-Thermal Method

Fertility Awareness-Based Methods for Women's Health and Family Planning

Duane M et al., 2022

Nutrition and Metabolic Health · Blood Sugar and Insulin

Patient-Wise Methodology to Assess Glycemic Health Status: Applications to Quantify the Efficacy and Physiological Targets of Polyphenols on Glycemic Control

Olivera-Nappa Á et al., 2022

Ovarian Hormones · Estrogen

The importance of estradiol for body weight regulation in women

Vigil P et al., 2022

Measurement and Statistics · Instrument Development and Validation

A program to estimate insulin resistance based on data from the oral glucose tolerance test

Contreras PH et al., 2020

Measurement and Statistics · Instrument Development and Validation

A Simple and Improved Predictor of Insulin Resistance Extracted From the Oral Glucose Tolerance Test: The I0*G60

Contreras PH et al., 2019

Letter to the Editor: "Long-Term Testosterone Administration on Insulin Sensitivity in Older Men With Low or Low-Normal Testosterone Levels"

Contreras PH et al., 2019

Male Endocrine and Genetic Factors · Male Hormonal Axis

Insulin Sensitivity and Testicular Function in a Cohort of Adult Males Suspected of Being Insulin-Resistant

Contreras PH et al., 2018

Neuroendocrinology · Hypothalamic Pituitary Axis

Steroid Hormones and Their Action in Women's Brains: The Importance of Hormonal Balance

Del Río JP et al., 2018

Cycle Biomarkers · Hormonal Markers

Ovulation, a sign of health

Vigil P et al., 2017

Hormones and Aging Tissues · Cardiometabolic Aging

Andropause and vulnerability in health: when do we start to educate men and health professionals?

Cortés ME et al., 2016

Aristotle Anniversary Year: remembering the contributions to medicine and human biology of this great polymath

Cortés ME et al., 2016

Nutrition and Metabolic Health · Blood Sugar and Insulin

Delphinidin-Rich Maqui Berry Extract (Delphinol®) Lowers Fasting and Postprandial Glycemia and Insulinemia in Prediabetic Individuals during Oral Glucose Tolerance Tests

Alvarado JL et al., 2016

Influence of sex steroid hormones on the adolescent brain and behavior: An update

Vigil P et al., 2016

Biomarkers · Urinary Hormone Monitoring

Monitoring of ovarian activity by measurement of urinary excretion rates using the Ovarian Monitor, Part IV: the relationship of the pregnanediol glucuronide threshold to basal body temperature and cervical mucus as markers for the beginning of the post-ovulatory infertile period

Blackwell LF et al., 2016

Effectiveness · Fertile Window Estimation

Self-identification of the clinical fertile window and the ovulation period

Ecochard R et al., 2015

The harmonious relationship between faith and science from the perspective of some great saints: A brief comment

Cortés ME et al., 2015

Neuroendocrinology · Hypothalamic Pituitary Axis

The Role of Kisspeptin in the Onset of Puberty and in the Ovulatory Mechanism: A Mini-review

Cortés ME et al., 2015

Cycle Biomarkers · Hormonal Markers

Monitoring of ovarian activity by daily measurement of urinary excretion rates of oestrone glucuronide and pregnanediol glucuronide using the Ovarian Monitor, Part III: variability of normal menstrual cycle profiles

Blackwell LF et al., 2013

Effectiveness · Comparative Effectiveness

Monitoring of ovarian activity by measurement of urinary excretion rates of estrone glucuronide and pregnanediol glucuronide using the Ovarian Monitor, Part II: reliability of home testing

Blackwell LF et al., 2012

Cycle Biomarkers · Cervical Mucus

The Importance of Fertility Awareness in the Assessment of a Woman's Health a Review

Vigil P et al., 2012

Ultrastructural interaction between spermatozoon and human oviductal cells in vitro

Vigil P et al., 2012

Endocrine modulation of the adolescent brain: a review

Vigil P et al., 2011

Male Endocrine and Genetic Factors · Male Hormonal Axis

Modulation of spermatozoon acrosome reaction

Vigil P et al., 2011

Ovarian Hormones · Estrogen

Scanning electron and light microscopy study of the cervical mucus in women with polycystic ovary syndrome

Vigil P et al., 2009

Male Endocrine and Genetic Factors · Male Hormonal Axis

Physiological action of oestradiol on the acrosome reaction in human spermatozoa

Vigil P et al., 2008

Thyroid and Metabolic Function · Insulin and Metabolism

Evidence of subpopulations with different levels of insulin resistance in women with polycystic ovary syndrome

Vigil P et al., 2007

Biomarkers · Cervical Mucus

Usefulness of monitoring fertility from menarche

Vigil P et al., 2006

Adolescent pregnancy prevention: An abstinence-centered randomized controlled intervention in a Chilean public high school

Cabezón C et al., 2005

Effects of TeenSTAR, an abstinence only sexual education program, on adolescent sexual behavior

Vigil P et al., 2005

Gynecologic Oncology · Endometrial Cancer

In vivo and in vitro estrogenic and progestagenic actions of Tibolone

Sadarangani A et al., 2005

Cycle Physiology · Ovulation

Ultrastructure of the human periovulatory cervical mucus

Ceric F et al., 2005

Measurement and Statistics · Instrument Development and Validation

Hormonal monitoring of ovarian activity using the Ovarian Monitor, part I. Validation of home and laboratory results obtained during ovulatory cycles by comparison with radioimmunoassay

Blackwell LF et al., 2003

Infections · Vaginal and Cervical Infections

First-trimester pregnancy loss and active Chlamydia trachomatis infection: correlation and ultrastructural evidence

Vigil P et al., 2002

Gonadotropin-releasing hormone-stimulated sperm binding to the human zona is mediated by a calcium influx

Morales P et al., 2000

Semen Analysis · Sperm Function Testing

Sperm binding to the human zona pellucida after migration through human cervical mucus

Vigil P et al., 1995

Semen Analysis · Sperm Function Testing

Assessment of sperm function in fertile and infertile men

Vigil P et al., 1994

Cycle Physiology · Ovulation

Human cervical mucus: relationship between biochemical characteristics and ability to allow migration of spermatozoa

Morales P et al., 1993

Return of Fertility · Breastfeeding and Ovulation

Post-partum cervical mucus: biological and rheological properties

Vigil P et al., 1991

Anti-Infective and Anti-Inflammatory Agents · Antibiotics in Reproductive Care

Mollicutes in male infertility: is antibiotic therapy indicated?

Sanchez R et al., 1990

Gamete membrane fusion in hamster spermatozoa with reacted equatorial segment

Vigil P, 1989

Semen Analysis · Sperm Function Testing

Human sperm-cervical mucus interaction and the ability of spermatozoa to fuse with zona-free hamster oocytes

Barros C et al., 1988

Long Acting Methods · Intrauterine Devices

Sperm migration through human cervical mucus in women with copper IUD's

Robert JA et al., 1986

Semen Analysis · Sperm Function Testing

Selection of morphologically abnormal sperm by human cervical mucus

Barros C et al., 1984