Frank F. Tu

ORCID: 0000-0002-6348-6285 · 57 papers in corpus
observational 2026
Scientific reports ·doi:10.1038/s41598-026-58824-0

Dysmenorrhea is often linked to uterine inflammation, but the additional factors and pathways that contribute to its pathophysiology remain poorly understood. Given growing evidence linking endoplasmic reticulum (ER) stress to inflammation …

observational 2026
Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC ·doi:10.1016/j.jogc.2025.103174

OBJECTIVES: This study aimed to identify menstrual pain trajectories over 2 years in young women with moderate-to-severe intensity, and determine baseline factors, including modifiable variables, that differentiate these trajectories. METH…

meta-analysis 2026
Journal of endometriosis and uterine disorders ·doi:10.1016/j.jeud.2026.100175

Dysmenorrhea is highly prevalent and undertreated, substantially impairing quality of life in reproductive-age individuals. Excessive uterine contractility is widely considered a key mechanistic contributor to menstrual pain. We conducted a…

2025
·doi:10.1016/j.jmig.2025.09.478
observational 2025
The journal of sexual medicine ·doi:10.1093/jsxmed/qdae149

BACKGROUND: Dyspareunia, defined as pain before, during or after intercourse, is a subset of female sexual dysfunction with overlapping gynecologic, urologic and psychosocial etiologies. AIM: This study aimed to evaluate the impact of mens…

observational 2025
BJOG : an international journal of obstetrics and gynaecology ·doi:10.1111/1471-0528.18275

OBJECTIVE: To examine how eicosanoid levels in menstrual effluent of adolescents within 3 years of menarche relate to the severity of menstrual pain. DESIGN: Prospective cohort study. SETTING: Community teaching hospital. POPULATION OR S…

meta-analysis 2025
Molecular pain ·doi:10.1177/17448069251360092

Dysmenorrhea (period pain) affects over 40% of women and is a leading cause of missed school and workdays. However, the molecular mechanisms underlying this pain are not fully understood. We conducted a systematic review (Prospero registrat…

2024
·doi:10.1002/nau.25459

Cover: The cover image is from the Clinical Article Validation of a simple body map to measure widespread pain in urologic chronic pelvic pain syndrome: A MAPP Research Network study by Clemens JQ, Locke K, Landis JR, et al. Neurourol Urody…

review 2024
Pain ·doi:10.1097/j.pain.0000000000003219

aDepartment of Ob/Gyn, Endeavor Health, Evanston, IL, United States bDepartment of Ob/Gyn, The University of Chicago Pritzker School of Medicine, Chicago, IL, United States

other 2024
American journal of obstetrics and gynecology ·doi:10.1016/j.ajog.2024.01.018

BACKGROUND: The mechanisms responsible for menstrual pain are poorly understood. However, dynamic, noninvasive pelvic imaging of menstrual pain sufferers could aid in identifying therapeutic targets and testing novel treatments. OBJECTIVE:…

other 2024
Neurourology and urodynamics ·doi:10.1002/nau.25400

PURPOSE: In patients with urologic chronic pelvic pain syndrome (UCPPS), the presence of widespread pain appears to identify a distinct phenotype, with a different symptom trajectory and potentially different response to treatment than pati…

other 2024
Fertility and sterility ·doi:10.1016/j.fertnstert.2024.03.007

OBJECTIVE: The World Endometriosis Research Foundation established the Endometriosis Phenome and Biobanking Harmonisation Project (EPHect) to create standardized documentation tools (with common data elements) to facilitate the comparison a…

observational 2023
Pain ·doi:10.1097/j.pain.0000000000002676

Dysmenorrhea is characterized by high rates of transition to chronic pain. In a previous study using structural equation modeling, we demonstrated that several symptom domains associated with the emerging concept of nociplastic pain can be …

observational 2023
Pain ·doi:10.1097/j.pain.0000000000002909

AbstractMultimodal hypersensitivity (MMH)-greater sensitivity across multiple sensory modalities (eg, light, sound, temperature, pressure)-is associated with the development of chronic pain. However, previous MMH studies are restricted give…

review 2022
Gastroenterology clinics of North America ·doi:10.1016/j.gtc.2021.10.012

Endometriosis, affecting 5-10% of reproductive-age women, is a common contributor to dysmenorrhea and chronic pelvic pain. Diagnosis requires laparoscopic tissue biopsy, but careful pelvic examination, and/or imaging with either ultrasound …

review 2022
Obstetrics and Gynecology Clinics of North America ·doi:10.1016/j.ogc.2022.02.008

For well selected patients with chronic pelvic pain (CPP), 74% to 95% of women will report complete or significant improvement in pain after hysterectomy. A thoughtful history, examination, and review of imaging can improve success by linki…

observational 2022
BMJ open ·doi:10.1136/bmjopen-2021-052765

OBJECTIVES: To examine women's perceptions of endometriosis-associated disease burden and its impact on life decisions and goal attainment. DESIGN: An anonymous online survey was distributed in October 2018 through the social media network…

other 2022
Pain ·doi:10.1097/j.pain.0000000000002311

Excess pain after visceral provocation has been suggested as a marker for chronic pelvic pain risk in women. However, few noninvasive tests have been validated that could be performed readily on youth in early risk windows. Therefore, we ev…

observational 2021
Molecular pain ·doi:10.1177/17448069211035217

Although elevated estradiol levels facilitate chronic pelvic pain in animal models, it remains to be determined whether sex steroid levels are altered in a cross-section of women with chronic pelvic pain (CPP) and those at-risk for developi…

other 2021
The journal of obstetrics and gynaecology research ·doi:10.1111/jog.14663

AIM: Prior research has primarily focused on static pain assessment, largely ignoring the dynamic nature of pain over time. We used a novel assessment tool for characterizing pain duration, frequency, and amplitude in women with dysmenorrhe…

other 2021
Current medical research and opinion ·doi:10.1080/03007995.2021.1929896

OBJECTIVE: Inadequate communication about endometriosis symptom burden between women and healthcare providers is a barrier for optimal treatment. This study describes the development of the EndoWheel, a patient-reported assessment tool that…

review 2021
International journal of general medicine ·doi:10.2147/IJGM.S261139

Endometriosis may exert a profound negative influence on the lives of individuals with the disorder, adversely affecting quality of life, participation in daily and social activities, physical and sexual functioning, relationships, educatio…

other 2020
·doi:10.1002/9781119482598.ch35

This chapter discusses the strategy for approaching the diagnosis and treatment of chronic pelvic pain (CPP). CPP affects approximately 4–16% of the general population, including 6–25% of reproductive-aged women. There is also a likely asso…

2020
·doi:10.1016/j.jmig.2020.08.422
observational 2020
Pain ·doi:10.1097/j.pain.0000000000001826

Women who develop bladder pain syndrome (BPS), irritable bowel syndrome, or dyspareunia frequently have an antecedent history of dysmenorrhea. Despite the high prevalence of menstrual pain, its role in chronic pelvic pain emergence remains …