Kathrine Birch Petersen

Kathrine Birch Petersen
Zealand University Hospital · Fertility Clinic, OB/GYN

MD, PhD, MPG Ass. Professor, Specialist in OB/GYN

About

34
Publications
11,006
Reads
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1,068
Citations
Introduction
Kathrine Birch Petersen She is specialist in Fertility and OB/GYN. Associate professor at the University of Copenhagen. She is daily leader and consultant of the Fertility Clinic, Zealand University Hospital. She has written a PhD about the Fertility Assessment and Counselling Clinic at Rigshospitalet - the first of its kind worldwide. Primary research areas are ovarian reserve, fertility awareness and female fertility. Has written several peer reviewed articles about fertility and early pregnancy and has performed more than 40 international and national presentations worldwide as invited speaker. Has a Master’s Degree in Public Governance at Copenhagen Business School.
Additional affiliations
January 2014 - present
Professionshøjskolen Metropol
Position
  • Medical Doctor
Description
  • Gynecological Endocrinology
August 2013 - June 2016
Rigshospitalet
Position
  • Staff specialist

Publications

Publications (34)
Article
Objective: The combined oral contraceptive pill is the most preferred contraceptive method worldwide. Despite high life-time prevalence of infertility of 16–26%, scarce data about concerns of future fertility among COC users are available. We aimed to study whether COC usage induces concerns about fertility. Methods: Online questionnaire-based surv...
Article
Full-text available
Introduction: Over the past 50 years women and men have postponed family formation in high-income societies. Fertility assessment and counselling has been suggested as a method to reduce delayed childbearing and its consequences. This study explored women’s perceptions of how attending a fertility assessment intervention influenced their decisions...
Article
Introduction: Men play an important role in couples' decisions about the timing of parenthood, and tend to delay parenthood. The reasons for delaying childbearing are multifaceted and complex. They may be making decisions to delay parenthood based on a lack of accurate information about the reproductive life span and the consequences of delaying p...
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Full-text available
Men and women are increasingly postponing childbearing until an age where fertility has decreased, meaning that they might have difficulties in achieving their desired family size. This study explored childless men's attitudes towards family formation. Data were collected through semi-structured qualitative interviews with 21 men attending the Fert...
Article
The objectives of this study were to investigate whether anti-Müllerian hormone (AMH) concentrations can predict pregnancy rates and time to pregnancy (TTP) in women attempting to conceive naturally/having an unplanned conception, and whether there is a lower AMH threshold compatible with natural conception. This prospective cohort study included 2...
Article
Full-text available
Introduction: The Fertility Assessment and Counselling (FAC) Clinic was initiated to provide women information about their current fertility status to prevent infertility and smaller families than desired. The aim was to study the predictive value of a risk assessment score based on known fertility risk factors in terms of time to pregnancy. Mate...
Article
The aim of this cross-sectional study was to investigate side differences in antral follicle count (AFC) and ovarian volume in left versus right ovaries in relation to chronological and “biological” age, the latter estimated by anti-Müllerian hormone (AMH) levels. The cohort comprised 1423 women: 1014 fertile and 409 infertile. All were examined by...
Article
Full-text available
The Fertility Assessment and Counselling Clinic was initiated in 2011 as an analogue to the family planning clinics in the 1970s, but with a pro-fertility aim. The idea was to provide individual assessment of fertility risk factors, ovarian reserve and sperm concentration to help women and men to fulfil their reproductive life plan. Fertility scree...
Article
Full-text available
The overall aim of this thesis was to validate the new concept of the Fertility Assessment and Counselling (FAC) Clinic at Rigshospitalet. The intention was to: explore the prognostic value of fertility risk factors by a risk score and provide an estimate of female fecundity, to quantify the impact of oral contraception (OC) on ovarian reserve para...
Article
This study aimed to explore attitudes towards family formation in single or cohabiting childless women of advanced age. The design comprised semi-structured qualitative interviews of 20 women aged 34-39 years attending the Fertility Assessment and Counselling Clinic, Rigshospitalet, Copenhagen. A sample of 10 single women and 10 cohabiting women wa...
Article
Polycystic ovary syndrome (PCOS) affects 5–10% of women of reproductive age and is the most common cause of anovulatory infertility. The treatment approaches to ovulation induction vary in efficacy, treatment duration and patient friendliness. The aim was to determine the most efficient, evidence-based method to achieve mono-ovulation in women diag...
Article
Full-text available
Objective: To study treatment modalities for cesarean scar pregnancies (CSPs), focusing on efficacy and complications in relation to study quality. Design: Systematic review. Setting: Not applicable. Patient(s): A total of 2,037 women with CSP. Intervention(s): Review of MEDLINE, EMBASE, and Cochrane Library to find studies including five...
Article
Full-text available
STUDY QUESTION: What characterizes childless women aged 35 years and above seeking fertility assessment and counselling in relation to their reproduction and are there significant differences between single and cohabiting women? SUMMARY ANSWER: Despite the women's advanced age and knowledge of the age-related decline in fecundity, 70% of the s...
Conference Paper
Full-text available
The prevalence of obesity has doubled worldwide since 1980, with more than 1.5 billion adults being overweight (BMI> 25 kg/m2) and at least one third of them being clinically obese (BMI>30 kg/m2). An assessment from 2010 concluded, that the proportion of overweight and obese among the Danish women and men in the age group of 25-44 years were 32.5-3...
Article
Full-text available
Study question: To what extent does oral contraception (OC) impair ovarian reserve parameters in women who seek fertility assessment and counselling to get advice on whether their remaining reproductive lifespan is reduced? Summary answer: Ovarian reserve parameters defined by anti-Müllerian hormone (AMH), antral follicle count (AFC) and ovarian...
Article
The objective was to investigate prevalence, estimate risk factors, and antenatal suspicion of abnormally invasive placenta (AIP) associated with laparotomy in women in the Nordic countries. Population-based cohort study. A 3-year Nordic collaboration among obstetricians to identify and report on uterine rupture, peripartum hysterectomy, excessive...
Conference Paper
Full-text available
Study question: What characterizes childless women aged 35 years and above seeking fertility assessment and counseling on their reproductive lifespan and are there significant differences between single and cohabiting women? Summary answer: The women were aware of age related declining fecundity and on average wished for 1.8 children. More than h...
Conference Paper
Full-text available
Study question: Which conditions are of importance and what are the motives for and actions towards motherhood in single, childless women aged 35 and above after fertility assessment and counseling? Summary answer: The important prerequisites for having children were maturity and the possible combination of work with childbearing. The expected be...
Article
To assess the rates and characteristics of women with complete uterine rupture, abnormally invasive placenta, peripartum hysterectomy and severe blood loss at delivery in the Nordic countries. Prospective, Nordic collaboration. The Nordic Obstetric Surveillance Study (NOSS) collected cases of severe obstetric complications in the Nordic countries f...
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Full-text available
During the 1970s new contraceptive options developed and legal abortions became accessible. Family planning clinics targeting young women and men provided advice and assistance on contraception. Today, delayed childbearing, low total fertility rates and increasing use of social oocyte freezing create a need for pro-fertility initiatives. Three year...
Article
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Introduction: Group B streptococci (GBS) can cause preterm delivery for women and sepsis and meningitis in infants younger than 90 days of age. The present retrospective cohort study determines the trend over time in the rates of GBS and in demographic risk factors for GBS among pregnant women delivering at Rigshospitalet (RH). Material and metho...
Article
To examine the association between intended mode of delivery and severe postpartum haemorrhage. A retrospective cohort study. Material from a nationwide study in Denmark. Danish women giving birth in 2001-08. We compared use of red blood cell transfusion by intended mode of delivery in the total population (n = 382 266), in low-risk nulliparous wom...
Article
Subcutaneous emphysema and pneumomediastinum were first described by Hamman in 1945. Spontaneous pneumomediastinum is an uncommon, self-limiting condition caused by alveolar rupture and usually results from bronchial hyper-reactivity or barotraumas. We report a case describing a 25 year old patient in her first pregnancy, who during active labour d...
Article
Placenta percreta is a rare life-threatening obstetrical condition, often resulting in severe haemorrhage and hysterectomy. The incidence seems to be increasing, probably secondary to the increase in caesarean section rates. We present a protocol for an elective multidisciplinary approach with proactive management to reduce haemorrhage and allow ap...
Article
Full-text available
Rarely, but with increasing frequency, we detect pregnancies within the uterine scar of a prior Caesarean section. These ectopic pregnancies entail a risk of severe bleeding and uterine rupture, and thus constitute a threat to the pregnant woman's life, underlining the necessity of awareness about these complications. Vaginal bleeding and/or mild t...
Article
This study was performed to evaluate the trauma triage system currently used by the general hospital of Viborg County, Denmark. According to the trauma triage system, an isolated high-energy trauma leads to a trauma team call. The aim of the study was to determine whether a high-energy trauma patient with no symptoms of injury is a sufficient indic...

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