Øjvind Lidegaard

Abstract Study question Are gestational age and a complicated pregnancy, due to hypertensive disorders, predisposing factors for the development of endometriosis and supporting NUB as pathogenetic factor Summary answer Preliminary results d…

IMPORTANCE: Hormonal contraceptive (HC) use is associated with depression. It is, however, unknown whether this is also true in the postpartum period when women have a heightened depression risk and are routinely offered HC treatment. OBJE…

OBJECTIVE: The authors compared the associated risk of incident depression between first-time users of low-, medium-, and high-dose levonorgestrel-releasing intrauterine systems (LNG-IUSs). METHODS: This national cohort study was based on …

IMPORTANCE: Hormonal sensitivity may contribute to the risk of depression in some women, as observed during the premenstrual, postpartum, and perimenopausal phases, and when initiating hormonal contraception (HC). However, little evidence e…

OBJECTIVE: To study whether endometriosis is associated with pregnancy loss and recurrent pregnancy loss (RPL). DESIGN: Nationwide historical cohort study with a nested case-control analysis. SETTING: National health registers. PATIENT(S…

OBJECTIVES: To investigate the association between contemporary combined hormonal contraceptives (including progestogen types in combined preparations and all progestogen-only products) and overall and specific types of ovarian cancer. DES…

We systematically reviewed data about the effect of exogenous estrogens and progestogens on the course of migraine during reproductive age. Thereafter a consensus procedure among international experts was undertaken to develop statements to…

INTRODUCTION: The objective of this study was to assess obstetrical complications and neonatal outcomes in women with endometriosis as compared with women without endometriosis. MATERIAL AND METHODS: National cohort including all deliverin…

Several data indicate that migraine, especially migraine with aura, is associated with an increased risk of ischemic stroke and other vascular events. Of concern is whether the risk of ischemic stroke in migraineurs is magnified by the use …

Approximately 5-10% of the women in the reproductive age are afflicted with endometriosis and many become pregnant after fertility treatment. Women with endometriosis seem to have an increased risk of placental complications, bleeding in pr…

OBJECTIVE: To assess the reproductive long-term prognosis of women with and without endometriosis, to explore changes over time, and to quantify the contribution of artificial reproductive techniques. DESIGN: Cohort study. SETTING: Denmar…

Spontaneous haemoperitoneum in pregnancy has been associated with endometriosis. More women with endometriosis get pregnant due to improved fertility treatment and little is known of their risk of obstetrical complications. We report a case…

STUDY QUESTION: Do daughters of women with endometriosis exhibit an increased risk of endometriosis and impaired long-term reproductive prognosis when compared with daughters of women without endometriosis? SUMMARY ANSWER: Daughters of wom…

OBJECTIVES: The increasing use of drugs for ovarian stimulation and the possibility of long-term risks has actualized a quantitative assessment of the use of such therapy. The aim of the study was to analyze the development in the sale of d…

In order to determine associations between pelvic inflammatory disease (PID) and contraceptive, sexual, and social life events, 620 Danish women aged 15-54 were invited to participate in an in-depth interview. Of 585 participating women, 45…

Relationships between menarche and sexual, contraceptive, and reproductive life events were investigated by structured interviews of 585 Danish women, aged 15-54 years. Data were analyzed by multivariate test statistics. The trend toward an…