Ivan Sereno Montenegro

ORCID: 0000-0002-4848-971X
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About
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Research Areas
  • Ovarian function and disorders
  • Reproductive tract infections research
  • Adolescent Sexual and Reproductive Health
  • Healthcare and Venom Research
  • Growth Hormone and Insulin-like Growth Factors
  • Entomological Studies and Ecology
  • Endometriosis Research and Treatment
  • Ectopic Pregnancy Diagnosis and Management
  • Adrenal Hormones and Disorders
  • Reproductive Health and Contraception
  • Leech Biology and Applications
  • Reproductive Biology and Fertility
  • Assisted Reproductive Technology and Twin Pregnancy
  • Women's cancer prevention and management
  • Lipid metabolism and disorders
  • Female Genital Mutilation/Cutting Issues
  • Reproductive System and Pregnancy
  • Cervical Cancer and HPV Research
  • Male Reproductive Health Studies

Universidade Federal do Rio Grande do Sul
2014-2024

Hospital de Clínicas de Porto Alegre
2014-2024

Introduction: Despite recent advances in assisted reproduction techniques and knowledge regarding embryo endometrium quality, implantation birth rates remain low.The objective of this study was to investigate whether clomiphene citrate alters endometrial maturation infertile patients.Methods: In a prospective self-matched cohort study, we assessed the ovulation women spontaneous stimulated cycles (with citrate).We determined day by ultrasound scanning.In both cycles, took four blood samples...

10.5935/1518-0557.20200056 article EN JBRA 2020-01-01

Hypopituitarism is the inability of anterior pituitary gland to properly supply hormone levels. When this disease affects all hormones produced by pituitary, it called panhypopituitarism (PHP). Since pituitary-derived directly influence fertility, often assisted reproduction techniques are only option PHP women have a full-term pregnancy. However, not patients diagnosed with respond ovulation induction. Thus, poor response may indicate decreased ovarian reserve or reflect deficiency in other...

10.5935/1518-0557.20240115 article EN JBRA 2024-01-01

Objective: Analysis and compare data between two induction protocols (long agonist flexible antagonist) in patients submitted an assisted reproduction technique Porto Alegre.Methods: Cross-sectional study comparing the intermediate results with use of different ovarian stimulation gonadotropin-releasing hormone versus antagonist to reproductive techniques.The statistical analysis retrieved (age, body mass index, number oocytes recovered, fertilized oocytes, cleaved, total dose FSH used...

10.5935/1518-0557.20140003 article EN JBRA 2014-01-01

Introduction: Chlamydia trachomatis (CT) is the most prevalent sexually transmitted bacterial infection, affecting mainly young, active women.Untreated infection may lead to reproductive complications due tubal damage.Infections during pregnancy cause preterm labor, low birth weight, perinatal death, and neonatal conjunctivitis pneumonia.There are few data on CT in Brazil.The aim of this study was determine prevalence infertile pregnant women. Methods:A cross-sectional included 77 60...

10.4322/2357-9730.65188 article EN cc-by Clinical & Biomedical Research 2016-01-01
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