Hansen KR

No ORCID on file · 11 papers in corpus · active 2015-2025

Study types

  • review 1

Condition tags

  • infertility 3
  • endometriosis 1
2025
Low morphology does not lower success after intrauterine insemination unless inseminating motile sperm count is low.
PloS one ·doi:10.1371/journal.pone.0317521

The objective of this study was to determine the relationship between strict morphology as assessed on the initial semen analysis during fertility workup and pregnancy rates after intrauterine insemination. This is a retrospective study of …

2023
Association between obesity and fecundity in patients undergoing intrauterine insemination.
F&S reports ·doi:10.1016/j.xfre.2023.05.003

ObjectiveTo determine if an association exists between body mass index (BMI) and fecundity after intrauterine insemination (IUI).DesignRetrospective cohort study.SettingAcademic-based fertility clinic.PatientsPatients undergoing IUI July 20…

2022
High-sensitivity C-reactive protein levels and pregnancy outcomes in women with unexplained infertility after ovarian stimulation with intrauterine insemination in a multicenter trial.
F&S reports ·doi:10.1016/j.xfre.2022.01.001

ObjectiveTo determine if chronic inflammation, assessed by basal high-sensitivity C-reactive protein (hs-CRP) levels, is associated with pregnancy outcomes in women with unexplained infertility undergoing ovarian stimulation with intrauteri…

2021
Relationship between semen regurgitation and pregnancy rates with intrauterine insemination.
Fertility and sterility ·doi:10.1016/j.fertnstert.2021.07.1183

ObjectiveTo evaluate the relationship between semen regurgitation and intrauterine insemination (IUI) outcomes. We hypothesized that clinical pregnancy rates and live birth rates would be reduced when regurgitation occurred.DesignRetrospect…

2020
Intrauterine insemination performance characteristics and post-processing total motile sperm count in relation to live birth for couples with unexplained infertility in a randomised, multicentre clinical trial.
Human reproduction (Oxford, England) ·doi:10.1093/humrep/deaa027

Study questionAre intrauterine insemination (IUI) performance characteristics and post-processing total motile sperm count (TMC) related to live birth rate in couples with unexplained infertility?Summary answerPatient discomfort with IUI an…

2019
Associations between vitamin D levels and polycystic ovary syndrome phenotypes.
Minerva endocrinologica ·doi:10.23736/s0391-1977.18.02824-9

BackgroundStudies comparing serum 25-hydroxyvitamin D concentrations in women with and without polycystic ovary syndrome (PCOS) have produced inconsistent results. Additionally, no previous studies have evaluated associations between vitami…

2019
Do BRCA1 and BRCA2 gene mutation carriers have a reduced ovarian reserve? Protocol for a prospective observational study.
BMJ open ·doi:10.1136/bmjopen-2019-033810

IntroductionBRCA1/2 gene mutations increase risk of breast and/or ovarian cancer and may have implications for reproductive health. Indirect biomarkers of the ovarian primordial follicle pool (anti-Müllerian hormone (AMH)) and one small stu…

2019
Lower prevalence of non-cavity-distorting uterine fibroids in patients with polycystic ovary syndrome than in those with unexplained infertility.
Fertility and sterility ·doi:10.1016/j.fertnstert.2019.01.020

ObjectiveTo study whether there is a difference in the prevalence of non-cavity-distorting uterine fibroids between infertile patients with polycystic ovary syndrome (PCOS) and those with unexplained infertility (UI).DesignA secondary analy…

2018
Racial and Ethnic Differences in Pregnancy Rates Following Intrauterine Insemination with a Focus on American Indians.
Journal of racial and ethnic health disparities ·doi:10.1007/s40615-017-0456-8

BackgroundNo research exists on American Indian pregnancy rates following infertility treatment. Most racial/ethnic fertility research has focused on pregnancy following in vitro fertilization, with only rare studies looking at intrauterine…

2016
Lifestyle factors associated with histologically derived human ovarian non-growing follicle count in reproductive age women.
Human reproduction (Oxford, England) ·doi:10.1093/humrep/dev271

Study questionAre lifestyle factors (smoking, BMI, alcohol use and oral contraceptive pill use) associated with the human ovarian reserve as determined by the total ovarian non-growing follicle number?Summary answerLight to moderate alcohol…

review 2015
On-label and off-label drug use in the treatment of endometriosis
Fertility and sterility ·doi:10.1016/j.fertnstert.2015.01.006

Endometriosis, characterized by the presence of endometrial glands and stroma in extrauterine locations, is a significant cause of pelvic pain and infertility, as well as a major health care burden. Although Food and Drug Administration (FD…