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INTRODUCTION: The neuroactive metabolite of progesterone, allopregnanolone (ALLO), has been implicated in premenstrual syndrome (PMS) physiopathology and preclinical studies suggested that low doses of fluoxetine increase the ALLO brain concentration. OBJECTIVES: To assess which low dose of fluoxetine (2 mg/d, 5 mg/d or 10 mg/d), administered exclusively during the luteal phase of menstrual cycle, has a potential effect for preventing or mitigating emotional PMS symptoms. METHODS: In this randomized, double-blind, placebo-controlled pilot study, we followed 40 women (mean age = 29.7 +/- 7.4 years) with emotional PMS, during two menstrual cycles: cycle 1, without pharmacological intervention; and cycle 2, with pharmacological intervention. Participants took capsules, on average, seven days preceding the likely date of menses. We assessed the severity of PMS symptoms in both cycles using the Daily Record of Severity of Problems scale (DRSP). RESULTS: There was an increase in the DRSP scores during the late luteal phase of cycle 1, confirming the diagnosis of emotional PMS. Low doses of fluoxetine (5 mg/d: 33.5%; 10 mg/d: 48.4%) reduced DRSP total score in the day before menses (day-1) at cycle 2 compared with day-1 at cycle 1. Fluoxetine 10 mg/d had the most consistent decline in emotional PMS symptoms; 70% of the participants reported a reduction greater than 40% in the DRSP score. CONCLUSIONS: Low doses of fluoxetine, which may have no or few effect on the serotonergic system, but may interfere in the progesterone metabolization, seem to have some potential to mitigate emotional PMS symptoms. While the 10 mg/d of fluoxetine had the best performance on reducing emotional PMS symptoms, the 5 mg/d dose also seems to have some effect on emotional PMS symptoms. Further larger studies will help establish the lowest effective dose of flouxetine for PMS treatment.

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El síndrome premenstrual es un trastorno común en mujeres en edad reproductiva y se caracteriza por al menos un síntoma físico, emocional o conductual, que aparece en la fase lútea del ciclo menstrual y se resuelve poco después del inicio de la menstruación. Los tratamientos convencionales para el dolor perimenstrual cíclico tienen inconvenientes que incluyen efectos secundarios, interferencia con la función reproductiva de las mujeres o escasa efectividad en el alivio de los síntomas. Muchas mujeres recurren a terapias naturales para tratar una gran variedad de síntomas menstruales. Esta revisión se centra en una de esas opciones naturales, el Sauzgatillo (Vitex agnus-castus). Se realizó una búsqueda e identificación de artículos publicados hasta mayo de 2022 recopilados por medio de sistemas de búsqueda electrónicos como Google Scholar, Medline, PubMed y Scopus. Las palabras de búsqueda fueron: “Premenstrual syndrome”, “dysmenorrhea” AND “Vitex agnus-castus”. Los estudios preclínicos señalan un mecanismo de acción en su implicación sobre el sistema serotoninérgico, así como su unión a los receptores de dopamina. Los estudios clínicos demuestran la seguridad y el efecto positivo sobre el síndrome premenstrual y la dismenorrea.

Premenstrual syndrome is a common disorder in women of reproductive age and is characterized by at least one physical, emotional, or behavioral symptom, which appears in the luteal phase of the menstrual cycle and resolves shortly after the onset of menstruation. Conventional treatments for cyclical perimenstrual pain have drawbacks that include side effects, interference with womens reproductive function, or limited effectiveness in relieving symptoms. Many women turn to natural therapies to treat a wide variety of menstrual symptoms. This review focuses on one of those natural options, Chasteberry (Vitex agnus-castus). The information available until May 2022 was collected via the library and electronic search systems such as Google Scholar, Medline, PubMed, and Scopus. The search words were: “Premenstrual syndrome”, “dysmenorrhea” AND “Vitex agnus-castus”. Preclinical studies point to a mechanism of action in its involvement in the serotoninergic system, as well as its binding to dopamine receptors. Clinical studies prove safety and positive effect on premenstrual syndrome and dysmenorrhea.

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PURPOSE: This study investigated the acute effect of anodal transcranial direct current stimulation (a-tDCS) over the left dorsolateral prefrontal cortex (DLPFC) on appetite, energy intake, food preferences, and mood states in the luteal and follicular phases of the menstrual cycle in women presenting premenstrual syndrome. METHODS: Sixteen women (26.5 ± 5.2 years; 1.63 ± 0.1 m; 64.2 ± 12.8 kg; body mass index 24.0 ± 5.0 kg/m2; body fat 27.6 ± 7.5%) with the eumenorrheic menstrual cycle were submitted to a-tDCS and sham-tDCS conditions over their follicular and luteal phases. At pre - and post-tDCS, hunger and desire to eat something tasty, (analogic visual scale), the profile of mood states (POMS), and the psychological components of food preferences (Leeds Food Preference Questionnaire-BR) were assessed. Participants recorded their food intake for the rest of the day using a diary log. RESULTS: There was a trend towards main effect of condition for decreased implicit wanting for low-fat savory food after a-tDCS but not sham-tDCS regardless of menstrual cycle phase (p = 0.062). There was no effect for self-reported hunger, desire to eat, energy and macronutrient intake, and on other components of food preferences (explicit liking and wanting for low- and high-fat savory and sweet foods, implicit wanting for low- and high-fat sweet and high-fat savory food); as well as for mood states. CONCLUSIONS: Although no significant effects of a-tDCS were found, the present investigation provides relevant perspectives for future studies.

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PURPOSE: Most women during their lifetime experience a combination of premenstrual syndrome (PMS) symptoms (eg, menstrual cramps) before and often to the end of menstruation. However, the impact of these symptoms on sport routines (eg, performance, training absence) during phases around menstruation is still unclear. Therefore, we investigated the impact of PMS symptoms on sport routines among nonelite athletes over 3 phases related to menstruation. METHODS: An online questionnaire was developed to recruit nonelite female athletes who participate in summer Olympic sports. Participants were allocated into 2 groups: those who experienced mild to moderate PMS symptoms (no-PMS) and those with severe PMS symptoms (p-PMS). Two hundred thirty-four responses from eumenorrheic women (p-PMS = 78%) were considered valid. An unpaired Student t test was conducted to compare demographic characteristics between groups and chi-square test to evaluate the impact of PMS status on sport routines between groups. RESULTS: A significant (P < .05) proportion of women in the p-PMS group changed their training schedule because of menstrual (55%) and premenstrual (61%) symptoms compared with the no-PMS group. Overall, all participants indicated that training (P = .01) and competitive (P < .01) performance are impacted during menstruation, followed by a greater impact (P < .05) in the p-PMS group before menstruation. CONCLUSION: The presence of PMS symptoms reduces training and competitive performance, primarily during and before menstruation, respectively. Severity of PMS symptoms was significantly associated with alterations in training schedule but not with competitive schedule.

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OBJECTIVE: The aim of the study was to determine the association between premenstrual syndrome and the childbirth fear prior to pregnancy. METHODS: This was an association and cross-sectional study conducted on 327 university students. Data were collected using "Participant Information Form," "Premenstrual Syndrome Scale," and "Childbirth Fear-Prior to Pregnancy Scale." RESULTS: It was found that the childbirth fear had increased in students with premenstrual syndrome. The Women Childbirth Fear-Prior to Pregnancy Scale score was statistically significantly higher among students who preferred caesarean section than those who preferred vaginal delivery. There was a weak, positive, and statistically significant correlation between the students' depressive sensation, anxiety, fatigue, nervousness, depressive thoughts, pain, appetite changes, sleep pattern changes, and bloating subscales of Premenstrual Syndrome Scale and Women Childbirth Fear-Prior to Pregnancy Scale. CONCLUSION: The score of the Women Childbirth Fear-Prior to Pregnancy Scale increases with an increase in the score of the Premenstrual Syndrome subscale. It should be evaluated whether or not women experiencing premenstrual syndrome have the childbirth fear prior to pregnancy.

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OBJECTIVE: To investigate the prevalence of premenstrual syndrome (PMS) and premenstrual dysphoric disorder (PMDD) in university students, the factors associated with PMS, the most prevalent symptoms, and the interference of symptoms in academic, family, social, and work activities. METHODS: This cross-sectional study included 1,115 university students aged ≥ 18 years from the University of Rio Verde, Goiás. Premenstrual syndrome and PMDD were identified using the Premenstrual Symptoms Screening Tool. Associations with sociodemographic, behavioral, reproductive, nutritional, and health factors were investigated using the Poisson regression. RESULTS: The prevalence of PMS was 46.9% (95% confidence interval [CI] 44.0-49.8), and of PMDD, 11.1% (95% CI 9.3-13.0). The most prevalent symptoms were physical, such as breast tenderness, bloating, e weight gain (73%); followed by psychological ones such as overeating/food cravings, tearful/more sensitive to rejection (> 60%). More than 30% of the patients reported that the symptoms interfered in a moderate-to-severe way in their social and academic activities. After adjusted analysis, PMS was more prevalent in those who were attending the 1st/2nd semester of college (prevalence ratio [PR] 1.44; 95% CI 1.14-1.80), those who consumed alcohol in the last 30 days (PR 1.23; 95% CI 1.04-1.47), and those who had depression (PR 1.49; 95% CI 1.30-1.71). CONCLUSION: Almost half of the university students had PMS and ∼ 11%, PMDD. Physical symptoms were the most common and interfered in a moderate-to-severe way in various aspects of life. Attending the first semesters, consuming alcohol, and having depression were risk factors for PMS. The identification of risk factors for PMS is essential to prevent symptoms and reduce the impact of the syndrome.

OBJETIVO: Investigar a prevalência de síndrome pré-menstrual (SPM) e do transtorno disfórico pré-menstrual (TDPM) em alunas universitárias, os fatores associados à SPM, os sintomas mais prevalentes e a interferência dos sintomas nas atividades acadêmicas, familiares, sociais e de trabalho. MéTODOS: Este estudo transversal incluiu 1.115 estudantes universitárias ≥ 18 anos da Universidade de Rio Verde, Goiás. Síndrome pré-menstrual e TDPM foram identificados por meio do Premenstrual Symptoms Screening Tool. As associações com fatores sociodemográficos, comportamentais, reprodutivos, nutricionais e de saúde foram investigadas utilizando-se a regressão de Poisson. RESULTADOS: A prevalência de SPM foi de 46,9% (intervalo de confiança [IC] de 95% 44,0­49,8) e de TDPM, 11,1% (IC 95% 9,3­13,0). Os sintomas mais prevalentes foram físicos, como sensibilidade mamária, distensão abdominal e ganho de peso (73%); seguidos por psicológicos, como comer demais/desejos por comida, chorar/mais sensível à rejeição (> 60%). Mais de 30% relataram que os sintomas interferiam de forma moderada a grave em suas atividades sociais e acadêmicas. Após análise ajustada, a SPM foi mais prevalente naquelas que estava cursando o 1°/2° semestre da faculdade (razão de prevalência [RP] 1,44; IC 95% 1,14­1,80), as que haviam consumido álcool nos últimos 30 dias (RP 1,23; IC 95% 1,04­1,47), e as que tinha depressão (RP 1,49; IC 95% 1,30­1,71). CONCLUSãO: Quase metade das universitárias tinha SPM e cerca de 11%, TDPM. Os sintomas físicos foram os mais comuns e interferiram de forma moderada a grave em vários aspectos da vida. Frequentar os primeiros semestres, consumir álcool e ter depressão foram fatores de risco para SPM. A identificação dos fatores de risco para a SPM é essencial para prevenir os sintomas e reduzir o impacto da síndrome.

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OBJECTIVE: The current study was conducted to investigate the effectiveness of group counseling on quality of life and symptom severity among university students with Premenstrual Syndrome. METHOD: After filling in PSST and participating in SCID-CV, 120 students answered the demographic and WHOQOL questionnaires. Using classified random sampling, they were divided into control and intervention groups. The Intervention Group participants attended six group counseling ses-sions. They post-tested at two moments (immediate post-test and after one month). RESULTS: The results of the immediate post-test indicated improvements in overall quality and in some domains (p<0.005) in the Intervention Group, and the second post-test showed an improvement in two of the domains (p<0.005). One month later, some symptoms were clearly improved in the Intervention Group (p<0.005). CONCLUSION: Group counseling improved the students' quality of life and severity of the Premenstrual Syndrome symptoms.

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OBJECTIVE: Examine the relationship between Premenstrual Syndrome (PMS) and sleep in different menstrual cycle phases. METHODS: Case-control survey conducted at the Primary Care Service and Clinical Research Center at Hospital de Clínicas de Porto Alegre with women aged between 18 and 45 years old. Women filled the Brazilian version of the Premenstrual Symptoms Screen Tool (PSST) for the screening of PMS; participants with positive screening completed the Daily Record of Severity of Problems (DRSP) to confirm PMS diagnosis. We applied the Pittsburg Sleep Quality Index (PSQI) and Epworth Sleepiness Scale (ESS) Brazilian versions in the luteal phase (LP) and follicular phase (FP). RESULTS AND CONCLUSION: 69 women were characterized with PMS and 52 without PMS. The risk of poor sleep quality (SQ) was two times higher in women with PMS (p = .006; OR = 3.057; IC95% 1.44-6.45). An interaction between no PMS and LP was found in ESS (p = .014; generalized estimating equation - GEE - adjusted for multiple comparisons by the Bonferroni test and adjusted by age); besides that, women with PMS had greater scores in ESS (p = .022; GEE adjusted by age).

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PURPOSE: To examine the relationship between Premenstrual Syndrome (PMS) and female sexual function (FSF) with the luteal (LP) and follicular phases (FP). METHOD: We performed a cross-sectional survey using the Female Sexual Function Index (FSFI) questionnaire in the LP and FP. We used the Brazilian's version of the Premenstrual Symptoms Screen Tool (PSST) and the Daily Record of Severity of Problems (DRSP) for diagnosis of PMS. RESULTS: There was no difference in the FSF between groups in both cycle phases. We found an association between LP and worst scores on FSFI. CONCLUSION: PMS does not affect FSF.

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O estudo avaliou a frequência da síndrome pré-menstrual (SPM) e do transtorno disfórico pré-menstrual (TDPM) e fatores associados entre estudantes de cursos da área de saúde em uma universidade no Recife, Brasil. Realizou-se um corte transversal envolvendo 649 estudantes entre 18 e 47 anos, no período de setembro/2016 a março/2017. As estudantes que aceitaram participar do estudo e assinaram o termo de consentimento livre e esclarecido responderam a um questionário autoaplicável com dados sociodemográficos, hábitos de vida e antecedentes ginecológicos, bem como questões relacionadas aos critérios diagnósticos de SPM/TDPM. A maioria das estudantes tinha entre 18 e 24 anos (83,2%), era solteira (92,1%), morava com os pais (77,0%) e não trabalhava (84,4%). A frequência de SPM simples foi de 23,3% e da TDPM, de 26,7%. Os sinais e sintomas físicos foram os mais frequentes (84,1%) entre as estudantes com SPM. As 173 estudantes com TDPM relataram como sintomas mais frequentes a irritabilidade (89,6%) e a ansiedade (87,3%) acentuadas. O teste de qui-quadrado foi utilizado para comparar as proporções entre os fatores associados à SPM e ao TDPM, considerando p < 0,05. Os fatores de risco que tiveram associação estatística com a ocorrência de SPM/TDPM foram o índice de massa corporal (IMC) < 25 (p = 0,01) e irregularidade dos ciclos (p = 0,04).(AU)

This study evaluated the frequency of premenstrual syndrome (PMS) and premenstrual dysphoric disorder (PMDD) and associated factors among university students in health courses in Recife, Brazil. A cross-sectional study was carried out involving 649 students aged 18 to 47 years between September 2016 and March 2017. Students who agreed to participate in the study and signed a free informed consent form, was invited to answer a self-administered questionnaire with socio-demographic data, lifestyle and gynecological history, as well as issues related to the diagnostic criteria of PMS/PMDD. Most students were between 18 and 24 years old (83.2%), single (92.1%), living with parents (77.0%) and did not have a job (84.4%). The frequency of simple PMS was 23.3% and PMDD was 26.7%. Physical signs and symptoms were the most frequent (84.1%) among students with PMS. The 173 students with PMDD reported more frequent symptoms of irritability (89.6%) and anxiety (87.3%). The Pearson chi-square test was used to compare the proportions of the factors associated with PMS and PMDD, considering p < 0.05. BMI < 25 (p = 0.01) and cycle irregularity (p = 0.04) were the factors who had a statistically significant association with the occurrence of PMS/PMDD.(AU)

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