Hans Ivar Hanevik

ORCID: 0000-0002-5131-6342 · 9 papers in corpus
observational 2026
American journal of obstetrics and gynecology ·doi:10.1016/j.ajog.2026.03.022

BACKGROUND: Women with endometriosis and adenomyosis have an increased risk of age-dependent diseases such as cardiovascular disease and cancer. Whether this reflects differences in biological age is unknown. OBJECTIVE: To compare the epig…

observational 2026
·doi:10.1093/humrep/deag083.088

Abstract Study question Do women who were conceived by mothers on hormonal contraceptives have an increased risk of endometriosis, adenomyosis or related symptoms? Summary answer Women conceived by mothers on hormonal contraceptives have an…

observational 2026
PloS one ·doi:10.1371/journal.pone.0357286

OBJECTIVE: The aim of this study was to explore the association between frequency of intercourse in the four weeks leading up to conception and fecundability among women trying to conceive in a pregnancy cohort. METHODS: The Norwegian Moth…

observational 2025
Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke ·doi:10.4045/tidsskr.25.0155

BACKGROUND: The prevalence of endometriosis and adenomyosis in the Norwegian population is unknown. The aim of this study was to report on diagnoses of endometriosis, adenomyosis and related health problems among women of reproductive age. …

observational 2025
Fertility and sterility ·doi:10.1016/j.fertnstert.2025.10.002

OBJECTIVE: To study the relationship between conception by assisted reproductive technology (ART) and risk of endometriosis/adenomyosis in female offspring. DESIGN: National registry-based cohort study. SUBJECTS: We studied 449,611 female…

observational 2025
European journal of preventive cardiology ·doi:10.1093/eurjpc/zwaf719

AIMS: To assess the risk of hypertension and cardiovascular disease (CVD) in relation to the number of assisted reproductive technologies (ART) cycles. METHODS AND RESULTS: In this registry-based study, we studied women in Norway born betw…

observational 2024
Human Reproduction ·doi:10.1093/humrep/deae011

STUDY QUESTION: Is age at menarche associated with fecundability? SUMMARY ANSWER: Both early (15 years) menarche is associated with decreased fecundability. WHAT IS KNOWN ALREADY: Previous studies on age at menarche and fecundability have…

observational 2024
BMC medicine ·doi:10.1186/s12916-024-03795-0

BACKGROUND: Telomere length (TL) has been reported to be associated with conditions such as endometriosis and polycystic ovary syndrome, with some studies finding associations with shorter TL and others with longer TL. In men, studies mostl…

observational 2024
Research square ·doi:10.21203/rs.3.rs-4430021/v1

In women, shorter telomeres have been reported to be associated with conditions such as endometriosis and polycystic ovary syndrome, whereas other studies have reported the opposite. In men, studies mostly report associations between shorte…