Del Río, J. P., Alliende, M. I., Molina, N., Serrano, F. G., Molina, S., & Vigil, P. (2018). Steroid Hormones and Their Action in Women's Brains: The Importance of Hormonal Balance. Frontiers in public health, 6, 141. https://doi.org/10.3389/fpubh.2018.00141
Del Río JP, Alliende MI, Molina N, Serrano FG, Molina S, Vigil P. Steroid Hormones and Their Action in Women's Brains: The Importance of Hormonal Balance. Front Public Health. 2018;6:141. doi:10.3389/fpubh.2018.00141
Del Río, J. P., et al. "Steroid Hormones and Their Action in Women's Brains: The Importance of Hormonal Balance." Frontiers in public health, vol. 6, 2018, pp. 141.
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Estrogen and progesterone act on brain cells tied to mood and memory
Estrogen and progesterone act on brain cells that control mood and memory, and a 2018 review links shifts in their balance to mood problems. The authors surveyed animal, cell, and human studies from puberty to menopause. Topics included hormonal contraceptives and menopausal hormone therapy.
Key Findings
The review sorts ovarian activity into six patterns, from no activity to ovulation with an adequate luteal phase. It names the last as adequate balance between estradiol and progesterone.
Estradiol and progesterone each act on brain cell survival, energy use, and new cell growth. Given together at the same time, they produced a lower response than either alone or in sequence.
Allopregnanolone, a progesterone metabolite, strengthens GABA-A signaling. Lower circulating levels are associated with depression in humans.
In a Danish registry study the review cites, the relative risk of a suicide attempt among oral contraceptive users aged 15 to 19 was 2.06 (95% CI, 1.92–2.21).
In the Women's Health Initiative memory study, after an average follow-up of 4–5 years, combined hormone therapy showed no cognitive improvement against placebo and an increased risk of dementia.
Interpretation
The paper is a narrative review of animal, cell, and human research. It describes no systematic search or pooled analysis. Much of the brain mechanism evidence comes from laboratory and animal work. The Danish registry findings are observational, which shows association and cannot show cause. The authors note that women who felt worse may have stopped the pill, which can bias long-term results. They call for more research on emergency contraception and mood. The critical-window idea for menopausal hormone therapy is a hypothesis.
RRM Context
The review asks that hormone levels be read against a woman's age and ovulatory status. Restorative Reproductive Medicine works the same way: find out how the cycle is working first. The authors report that oral contraceptive users have lower natural estradiol and progesterone. They also keep progesterone apart from progestins, which are synthetic.
Our editorial summary of this paper, not the article's abstract.
Abstract
Sex hormones significantly impact women's lives. Throughout the different stages of life, from menarche to menopause and all stages in between, women experience dramatic fluctuations in the levels of progesterone and estradiol, among other hormones. These fluctuations affect the body as a whole, including the central nervous system (CNS). In the CNS, sex hormones act via steroid receptors. They also have an effect on different neurotransmitters such as GABA, serotonin, dopamine, and glutamate. Additionally, studies show that sex hormones and their metabolites influence brain areas that regulate mood, behavior, and cognitive abilities. This review emphasizes the benefits a proper hormonal balance during the different stages of life has in the CNS. To achieve this goal, it is essential that hormone levels are evaluated considering a woman's age and ovulatory status, so that a correct diagnosis and treatment can be made. Knowledge of steroid hormone activity in the brain will give women and health providers an important tool for improving their health and well-being.
Progesterone supplementation reverses 83% of transcript changes in the secretory endometrium induced by postovulatory mifepristone, potentially mitigating its antiprogestogenic effects. Mifepristone (RU486) antagonizes progesterone signaling in human endometrium interfering in the secretory phenotype after estradiol priming. The objective of the present study was to determine effect in the endometrial transcript profile of progesterone supplementation after the administration of 200 mg of the antiprogestin mifepristone 48 h after the LH peak (LH+2, LH+0 = LH peak). Endometrial samples were obtained on LH+7 after vaginal administration of micronized progesterone 200 mg/day for 3 days in nine women of proven fertility, each one contributing with one cycle treated with progesterone and another with a placebo. In addition, endometrial samples were obtained in LH+7 from a subgroup of four women with no administration of mifepristone, with each one contributing with one cycle treated with vaginal progesterone supplementation or placebo as a reference. RNA-seq was used to identify transcripts significantly regulated under the administration of progesterone vs placebo with or without postovulatory mifepristone. We observed that 713 transcripts changed significantly in the endometrium under mifepristone after progesterone supplementation in group A. Of these, progesterone reversed approximately 83% of the transcripts affected by mifepristone in the secretory endometrium. Bioinformatic analyses revealed that these transcripts were enriched in genes associated with mitochondrial function, particularly oxidative phosphorylation. In addition, NR2C2 and DLX1 were identified as potential transcription factors that may mediate the effects of progesterone in the endometrium. We conclude that progesterone supplementation after postovulatory mifepristone administration can reverse the antiprogestogenic effects for most of the affected endometrial transcripts.
Del Río JP et al., 2024·Front Psychol·Free full text on PubMed Central
Hormones produced by the hypothalamic-pituitary-adrenal-gonadal (HPAG) axis are crucial for modulating central nervous system (CNS) function and development throughout a person's life. Disruptions in HPAG function can impact psychological development, particularly during adolescence-a period marked by psychological growth and the maturation of the HPAG axis. An early indicator of HPAG alterations is ovulatory dysfunction (OD), a common condition among adolescents. This study explored the associations between neuroactive hormones and personal growth in adolescents with OD. Female participants aged 12-25 years with OD were recruited, and assessments were conducted to profile their basic hormonal levels and various dimensions of individual development, including self-concept clarity, sense of coherence, self-esteem, perfectionism, self-control, and mood states. Adolescents with OD (n = 117) had lower self-concept clarity and self-esteem compared to reference data. A significant portion of the sample displayed elevated levels of tension (71.25%), confusion (62.5%), fatigue (58.22%), and depression (52.6%). Self-esteem scores were negatively correlated with DHEAS (r = -0.224; p = 0.026) and glucose (r = -0.249; p = 0.010). Higher levels of free testosterone were associated with increased depression scores (coef = 0.2398; p = 0.002), whereas higher estradiol levels were linked to lower aggressiveness scores (coef = -0.0648; p = 0.001). These findings indicate that hormonal imbalances in adolescents with OD could affect personal growth. Further research is needed to establish causal relationships between the variables considered.
Vigil P et al., 2022·Front Endocrinol (Lausanne)·Free full text on PubMed Central
Obesity in women of reproductive age has a number of adverse metabolic effects, including Type II Diabetes (T2D), dyslipidemia, and cardiovascular disease. It is associated with increased menstrual irregularity, ovulatory dysfunction, development of insulin resistance and infertility. In women, estradiol is not only critical for reproductive function, but they also control food intake and energy expenditure. Food intake is known to change during the menstrual cycle in humans. This change in food intake is largely mediated by estradiol, which acts directly upon anorexigenic and orexigenic neurons, largely in the hypothalamus. Estradiol also acts indirectly with peripheral mediators such as glucagon like peptide-1 (GLP-1). Like estradiol, GLP-1 acts on receptors at the hypothalamus. This review describes the physiological and pathophysiological mechanisms governing the actions of estradiol during the menstrual cycle on food intake and energy expenditure and how estradiol acts with other weight-controlling molecules such as GLP-1. GLP-1 analogs have proven to be effective both to manage obesity and T2D in women. This review also highlights the relationship between steroid hormones and women's mental health. It explains how a decline or imbalance in estradiol levels affects insulin sensitivity in the brain. This can cause cerebral insulin resistance, which contributes to the development of conditions such as Parkinson's or Alzheimer's disease. The proper use of both estradiol and GLP-1 analogs can help to manage obesity and preserve an optimal mental health in women by reducing the mechanisms that trigger neurodegenerative disorders.
Duane M et al., 2022·Front Med (Lausanne)·Free full text on PubMed Central
Fertility awareness-based methods (FABMs) educate about reproductive health and enable tracking and interpretation of physical signs, such as cervical fluid secretions and basal body temperature, which reflect the hormonal changes women experience on a cyclical basis during the years of ovarian activity. Some methods measure relevant hormone levels directly. Most FABMs allow women to identify ovulation and track this "vital sign" of the menstrual or female reproductive cycle, through daily observations recorded on cycle charts (paper or electronic). Physicians can use the information from FABM charts to guide the diagnosis and management of medical conditions and to support or restore healthy function of the reproductive and endocrine systems, using a restorative reproductive medical (RRM) approach. FABMs can also be used by couples to achieve or avoid pregnancy and may be most effective when taught by a trained instructor. Information about individual FABMs is rarely provided in medical education. Outdated information is widespread both in training programs and in the public sphere. Obtaining accurate information about FABMs is further complicated by the numerous period tracking or fertility apps available, because very few of these apps have evidence to support their effectiveness for identifying the fertile window, for achieving or preventing pregnancy. This article provides an overview of different types of FABMs with a published evidence base, apps and resources for learning and using FABMs, the role FABMs can play in medical evaluation and management, and the effectiveness of FABMs for family planning, both to achieve or to avoid pregnancy.
Prior JC, 2022·The Cambridge Handbook of Evolutionary Perspectives on Sexual Psychology
Periodic vaginal bleeding occurs in humans (who are henceforth called “women,” a word describing culture as well as biology), old-world apes, and few other mammals. By current concepts, women’s menstrual cycles provide estrogen for thirty to fifty years; following one year of no flow they become menopausal and “estrogen deficient.” By contrast we now know that the purpose of menstrual cycles is to supply all cells and tissues with the balanced essential actions of estradiol (E2) and progesterone (P4) produced in feedback-controlled patterns to facilitate fecundability and preserve younger women’s well-being. We also now know that menopausal women’s health is negatively affected (by increased osteoporosis, heart disease, breast and endometrial cancers) if those past menstrual cycles produced inadequate net P4 to counterbalance and complement E2’s actions. Menstrual periodicity, flow, and ovulatory characteristics in women reflect the integrated actions/interactions of the central nervous system through the hypothalamus and pituitary, ideally leading to each cycle’s stimulation of a dominant egg-containing follicle. That follicle, by central complex feedback loops, produces the cyclic, graded amounts of estradiol (E2) and progesterone (P4) for that threeto five-week period and releases a viable egg. Central reproductive connections allow adult premenopausal women’s menstrual cycle periodicity, ovulation or not, and luteal phase lengths, that can be adapted to the challenges and demands of each woman’s current physiological and sociocultural/emotional environments. These new ideas are based on the differing and complementary cellular and tissue actions of E2 and P4. E2 is essential for cell growth and stimulates cell proliferation. P4 uniquely counterbalances and controls proliferation while stimulating cell differentiation and tissue maturation. Thus, E2–P4 actual and relative productions integrate cycles within each woman’s reproductive lifecycle (adolescent, premenopausal, perimenopausal), and are related to her nutrition, illness, energy expenditure, and social/emotional/spiritual environments. The subtlest indication of a stressed reproductive system is truncated P4 production in the short luteal phase within a normal-length, ovulatory menstrual cycle. This adaptation protects a woman from pregnancy when she has inadequate net energy balance or is under emotional/social/spiritual or physical duress. Thus, a normal luteal phase length within a threeto five-week regular menstrual cycle is a bellwether of women’s well-being. By contrast, regular cycles with ovulatory disturbances (anovulation or short luteal phases; E2>P4) predict current decreased well-being and poor later life health. The purpose of this review is to provide a practical approach to understanding this new women’s menstrual cycle balanced E2–P4 paradigm applied to common clinical situations including subfertility with regular cycles, premenstrual symptoms, and heavy menstrual flow.
Prior JC, 2020·Drug Discovery Today: Disease Models·Free to read
This review is to challenge current concepts of women’s reproduction with its cultural over-emphasis on estrogen and positive actions, while progesterone tends to be ignored or associated with negative effects. To explore the physiology, and the clinical implications of understanding that progesterone and estradiol interact in counterbalancing and complementary ways within a complex system that is Women’s Reproductive Health. Fundamental, descriptive, quantitative and experimental data all show that estradiol’s important cellular action is to promote growth and proliferation; by contrast, despite short-term proliferative effects, progesterone’s dominant actions are to inhibit proliferation, to enhance differentiation and promote maturation. Estradiol and progesterone variably interact in every cell and tissue in women’s bodies and across the life cycle. Since ovulation and thus progesterone’s presence is subclinical in normal-length cycles, we urgently need a convenient, home, once/cycle, inexpensive test of normal ovulation. Major funding is needed for ovulation-testing cycle-by-cycle over months or years in large population-based cohorts of adolescent, premenopausal and perimenopausal women. These women need to be followed for fertility and their later-life experiences of osteoporotic fracture, myocardial infarction, breast and endometrial cancers. In addition, all research with menstruating women participants and female mammals needs cycle-phase specific testing. It is difficult to perceive, much less to change, a current paradigm. With this journal issue, however, we have begun the important tasks of transforming concepts about women’s health, and setting the research agenda to advance the innovative understanding that women's reproductive and overall health becomes optimal when premenopausal menstrual cycle estradiol and progesterone actions are balanced within this complex system.
Klump KL et al., 2013·Journal of abnormal psychology·Free full text on PubMed Central
Studies suggest that within-person changes in estrogen and progesterone predict changes in binge eating across the menstrual cycle. However, samples have been extremely small (maximum N = 9), and analyses have not examined the interactive effects of hormones that are critical for changes in food intake in animals. The aims of the current study were to examine ovarian hormone interactions in the prediction of within-subject changes in emotional eating in the largest sample of women to date (N = 196). Participants provided daily ratings of emotional eating and saliva samples for hormone measurement for 45 consecutive days. Results confirmed that changes in ovarian hormones predict changes in emotional eating across the menstrual cycle, with a significant estradiol × progesterone interaction. Emotional eating scores were highest during the midluteal phase, when progesterone peaks and estradiol demonstrates a secondary peak. Findings extend previous work by highlighting significant interactions between estrogen and progesterone that explain midluteal increases in emotional eating. Future work should explore mechanisms (e.g., gene-hormone interactions) that contribute to both within- and between-subjects differences in emotional eating.
Prasad A et al., 2014·Horm Behav·Free full text on PubMed Central
We investigated whether sexual activity was associated with reproductive function in the BioCycle Study, a prospective cohort study that followed 259 regularly menstruating women aged 18 to 44years for one (n=9) or two (n=250) menstrual cycles in 2005-2007. Women were not attempting pregnancy nor using hormonal contraceptives. History of ever having been sexually active was assessed at baseline and frequency of sexual activity, defined as vaginal-penile intercourse, was self-reported daily throughout the study. Serum concentrations of estradiol, luteinizing hormone (LH), follicle-stimulating hormone (FSH), progesterone, and testosterone were measured up to 8times/cycle. Sporadic anovulation was identified using peak progesterone concentration. Linear mixed models were used to estimate associations between sexual activity and reproductive hormone concentrations and generalized linear models were used to estimate associations with sporadic anovulation. Models were adjusted for age, race, body mass index, perceived stress, and alcohol consumption and accounted for repeated measures within women. Elevated concentrations of estrogen (+14.6%, P<.01), luteal progesterone (+41.0%, P<.01) and mid-cycle LH (+23.4%, P<.01), but not FSH (P=.33) or testosterone (P=.37), were observed in sexually active women compared with sexually inactive women (no prior and no study-period sexual activity); sexually active women had lower odds of sporadic anovulation (adjusted odds ratio=0.34, 95% confidence interval: 0.16-0.73). Among sexually active women, frequency of sexual activity was not associated with hormones or sporadic anovulation (all P>.23). Findings from our study suggest that ever having been sexually active is associated with improved reproductive function, even after controlling for factors such as age.
Juan Pablo Del Río, Natalia Molina, Santiago Molina, Pilar Vigil
J Río, N Molina, S Molina, P Vigil
PMID 29876339 29876339 DOI 10.3389/fpubh.2018.00141 10.3389/fpubh.2018.00141 Del Río et al. 2018, Del Río 2018
Cite this article
Del Río, J. P., Alliende, M. I., Molina, N., Serrano, F. G., Molina, S., & Vigil, P. (2018). Steroid Hormones and Their Action in Women's Brains: The Importance of Hormonal Balance. Frontiers in public health, 6, 141. https://doi.org/10.3389/fpubh.2018.00141
Del Río JP, Alliende MI, Molina N, Serrano FG, Molina S, Vigil P. Steroid Hormones and Their Action in Women's Brains: The Importance of Hormonal Balance. Front Public Health. 2018;6:141. doi:10.3389/fpubh.2018.00141
Del Río, J. P., et al. "Steroid Hormones and Their Action in Women's Brains: The Importance of Hormonal Balance." Frontiers in public health, vol. 6, 2018, pp. 141.
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