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Associations Between Natural Physiological and Supraphysiological Estradiol Levels and Stress Perception.

ABSTRACT: Stress is a risk factor for impaired general, mental, and reproductive health. The role of physiological and supraphysiological estradiol concentrations in stress perception and stress processing is less well understood. We, therefore, conducted a prospective observational study to investigate the association between estradiol, stress perception, and stress-related cognitive performance within serial measurements either during the natural menstrual cycle or during fertility treatment, where estradiol levels are strongly above the physiological level of a natural cycle, and consequently, represent a good model to study dose-dependent effects of estradiol. Data from 44 women receiving in vitro fertilization (IVF) at the Department of Reproductive Endocrinology in Zurich, Switzerland was compared to data from 88 women with measurements during their natural menstrual cycle. The German version of the Perceived Stress Questionnaire (PSQ) and the Cognitive Bias Test (CBT), in which cognitive performance is tested under time stress were used to evaluate subjective and functional aspects of stress. Estradiol levels were investigated at four different time points during the menstrual cycle and at two different time points during a fertility treatment. Cycle phases were associated with PSQ worry and cognitive bias in normally cycling women, but different phases of fertility treatment were not associated with subjectively perceived stress and stress-related cognitive bias. PSQ lack of joy and PSQ demands related to CBT in women receiving fertility treatment but not in women with a normal menstrual cycle. Only strong changes of the estradiol level during fertility treatment were weakly associated with CBT, but not with subjectively experienced stress. Our research emphasizes the multidimensional character of stress and the necessity to adjust stress research to the complex nature of stress perception and processing. Infertility is associated with an increased psychological burden in patients. However, not all phases of the process to overcome infertility do significantly increase patient stress levels. Also, research on the psychological burden of infertility should consider that stress may vary during the different phases of fertility treatment. Clinical trial registration: ClinicalTrials.gov # NCT02098668.

SUBMITTER: Leeners B

PROVIDER: S-EPMC6579809 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Associations Between Natural Physiological and Supraphysiological Estradiol Levels and Stress Perception.

Leeners Brigitte B Krüger Tillmann H C THC Geraedts Kirsten K Tronci Enrico E Mancini Toni T Egli Marcel M Röblitz Susanna S Saleh Lanja L Spanaus Katharina K Schippert Cordula C Zhang Yuanyuan Y Ille Fabian F

Frontiers in psychology 20190611

Stress is a risk factor for impaired general, mental, and reproductive health. The role of physiological and supraphysiological estradiol concentrations in stress perception and stress processing is less well understood. We, therefore, conducted a prospective observational study to investigate the association between estradiol, stress perception, and stress-related cognitive performance within serial measurements either during the natural menstrual cycle or during fertility treatment, where estr ...[more]

PMID: 31244718

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Project description:BackgroundCortisol is often used as a biological marker for stress. When measured in urine or serum, representing a short-term measurement of the hormone, it has been associated with unfavorable sleep characteristics and both low and high physical activity levels. However, cortisol in hair represents a long-term stress measure and has been suggested as a promising new marker for chronic stress. Therefore, we aimed to examine the association between objectively measured sleep, physical activity and hair cortisol levels in preschool children.MethodsIn order to obtain objective measures of physical activity and sleep habits, 54 children aged 2-6 years wore an ActiGraph for 5 consecutive days and nights. For chronic stress measurements of each child, hair was cut from the back of the head close to the scalp for analysis of cortisol levels. Associations between measured sleep quality and quantity and level of physical activity and hair cortisol levels were estimated using linear regression analysis, presented as β. Results were adjusted for sex, age and BMI z-score.ResultsWe found no significant association between log-transformed cortisol (pg/mg) and sleep duration (hours) (β = - 0.0016, p = 0.99), sleep efficiency (β = - 3.1, p = 0.18), sleep latency (β = 0.015, p = 0.16) or physical activity level (100 counts per min) (β = 0.014, p = 0.22). However, sleep latency (min) was directly associated with physical activity (counts per min) levels (β = 35.2, p = 0.02), while sleep duration (hours) (β = - 142.1, p = 0.55) and sleep efficiency (%) (β = - 4087, p = 0.26) showed no significant associations.ConclusionsIn our study, a high physical activity level was associated with poorer sleep habits. Neither sleep quality nor physical activity were related to long term cortisol exposure. These results are among the first to study associations between objectively measured sleep, physical activity and chronic cortisol levels among preschool children. More and larger studies are therefore needed.

Project description:Introduction Frozen embryo transfer is being increasingly used for assisted reproductive therapy and offers similar pregnancy rates as treatment with fresh embryo transfer. In women with regular menstrual cycles, transfer of a frozen thawed blastocyst can be performed in either natural cycle or substituted cycle. Anovulatory women can only be offered a substituted or a stimulated cycle. Knowledge on fetal exposure to estradiol in early pregnancy is very limited, but studies on mice and rats have shown hormonal and metabolic disturbances in cubs born from estradiol-exposed mothers. We aim to investigate serum estradiol and progesterone levels in women who conceived after natural, estradiol and progesterone, or gonadotrophin stimulated frozen embryo transfer. Methods and analysis The study is an open-label, randomised controlled trial with normo-ovulatory women being randomised to natural cycle or estradiol and progesterone substitution and anovulatory women being randomised to estradiol and progesterone substitution or gonadotrophin stimulation. Serum estradiol and progesterone will be measured every 2 weeks from cycle days 2–3 until gestational age 9+6. Serum levels will be compared according to treatment regimens and cycle length. Furthermore, obstetric outcomes (live birth rates, birth weight, gestational age at birth, complications and malformations) and a possible association with serum estradiol and progesterone levels will be evaluated. Ethics and dissemination The three treatment regimens are all standard treatments and are comparable with regard to pregnancy rates. Patients will be following routine treatments and thus discomforts are limited to routine transvaginal ultrasound scans and additional blood testing. The study is approved by the Scientific Ethical Committee of the Capital Region of Denmark and the Danish Medicines Agency. The study will be carried out in accordance with the Declaration of Helsinki and monitored by a good clinical practice unit. Positive, negative and inconclusive findings will be published in international peer-reviewed journals. Trial registration number NCT04997525, 2020-001218-39.

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Associations Between Natural Physiological and Supraphysiological Estradiol Levels and Stress Perception.

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Associations Between Natural Physiological and Supraphysiological Estradiol Levels and Stress Perception.

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