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Obstetrician & Gynecologist (OB/GYN), Endocrinologist (diabetes, hormones)
23 years of experience
Video profile
Accepting new patients


Education ?

Medical School Score Rankings
University of Arizona (1988)
Top 50%

Awards & Distinctions ?

Castle Connolly's Top Doctors™ (2012 - 2013)
American Board of Obstetrics and Gynecology
American Society for Reproductive Medicine

Affiliations ?

Dr. Magarelli is affiliated with 12 hospitals.

Hospital Affiliations



  • Espanola Hospital
    1010 Spruce St, Espanola, NM 87532
    Top 25%
  • Centura Health Penrose Community
    Obstetrician & Gynecologist
    2215 N Cascade Ave, Colorado Springs, CO 80907
    Top 25%
  • Presbyterian Hospital
    1100 Central Ave SE, Albuquerque, NM 87106
  • Kaseman Presby Hosp
    8300 Constitution Ave NE, Albuquerque, NM 87110
  • University of New Mexico Hospital
    2211 Lomas Blvd NE, Albuquerque, NM 87106
  • Memorial Health System
  • Hoag Memorial Hospital
  • Centura Health / St Francis Medical Center
    6001 E Woodmen Rd, Colorado Springs, CO 80923
  • Reproductive Medicine & Fertility Center of Southe
  • Saddleback Memorial Med Center
  • UNM Medical Group
  • Centura Hlth/Penrose St Francis Health Services
    2222 N Nevada Ave, Colorado Springs, CO 80907
  • Publications & Research

    Dr. Magarelli has contributed to 2 publications.
    Title Discrimination Between Chronological and Ovarian Age in Infertile Women Aged 35 Years and Older: Predicting Pregnancy Using Basal Follicle Stimulating Hormone, Age and Number of Ovulation Induction/intra-uterine Insemination Cycles.
    Date October 1996
    Journal Human Reproduction (oxford, England)

    A marked decline in fertility rates has been demonstrated in women > 35 years of age. We have previously demonstrated the importance of basal follicle stimulating hormone (FSH) concentrations plus chronological age to predict pregnancies in women aged >/=40 years undergoing ovulation induction therapy. The purpose of the current study was to extend our previous study and determine the impact of age, basal FSH concentrations and ovulation induction/inter-uterine insemination (IUI) treatment cycles on pregnancy rates in infertile women age >/=35 years. This prospective observational study was performed at a tertiary university fertility centre. Assessments of basal hormonal status and ovulation induction protocols were performed. The main outcome measured was clinical pregnancies. A total of 770 treatment cycles in 179 women aged >/=35 years were analysed. The impact of basal FSH concentrations on treatment outcomes could be bifurcated into a favourable group (FSH </=23 mIU/ml) and a poor prognosis group (FSH >/= mIU/ml). A multivariate logistic regression model was generated which accurately predicted pregnancies. There was a high degree of correlation between predicted pregnancies and observed pregnancies (r = 0.86). We conclude that age, number of treatment cycles and the interaction term basal FSH x age are useful and significant predictors of pregnancies in patients aged >/=35 years undergoing ovulation induction/IUI therapy.

    Title Fetal Umbilical Artery Doppler Response to Graded Maternal Aerobic Exercise and Subsequent Maternal Mean Arterial Blood Pressure: Predictive Value for Pregnancy-induced Hypertension.
    Date October 1990
    Journal American Journal of Obstetrics and Gynecology

    Predictive tests for the identification of women at high risk of the development of preeclampsia are critical to allow the most appropriate preventive measures. Preeclampsia is a vasospastic condition of pregnancy characterized by early and enhanced vascular reactivity to endogenous pressor agents. Exercise tolerance testing with cycle ergometry to induce hemodynamic response measured with duplex Doppler A/B ratio of the umbilical artery could unmask latent vascular pressor hypersensitivity. Our prospective cohort study was designed to test the efficacy of the American College of Obstetricians and Gynecologists exercise in pregnancy guidelines for the low-risk athletic, physically active, or sedentary patient. The pattern of fetal response to material exercise testing at 28 weeks' gestation was compared with subsequent maternal mean arterial blood pressure and the development of pregnancy-induced hypertension and preeclampsia. Doppler A/B ratio during the recovery period was assessed as below baseline (18) or elevated above resting baseline values (12). Third-trimester blood pressure pattern was assessed to be elevated in 11 patients, 10 of whom had elevated recovery A/B ratios. The Fisher exact test results were (p = 0.00002) positive predictive value, 83%; negative predictive value, 94%; sensitivity, 91%; and specificity, 89%. Preeclampsia developed in four patients; all had elevated recovery A/B ratios. Fisher exact test results were (p = 0.01806) positive predictive value, 33%; negative predictive value, 100%; sensitivity, 100%; and specificity, 69%.

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