El ciclo después de los 35: más abundante, más espaciado, menos predecible — qué pasa
La regla viene a las tres semanas y luego desaparece dos meses. Se ha vuelto más abundante y más larga, con coágulos. La compresa no aguanta toda la noche. Entre los 35 y los 50 estos cambios son muy frecuentes: son una de las primeras señales de la transición. Pero «frecuente» no significa «aguantar».
Por qué cambia el ciclo
En la transición cada vez más ciclos ocurren sin ovulación, y hay menos progesterona. El estrógeno, mientras tanto, no baja: oscila, a veces por encima de lo habitual. De ahí la falta de previsibilidad y las reglas más abundantes.
Si llevas un anillo o un reloj: la subida de la temperatura nocturna tras la ovulación la detectan a posteriori. Si en un ciclo no hubo subida, no significa «poca progesterona»: después de los 40 algunos ciclos simplemente ocurren sin ovulación.
Qué se considera abundante
Las reglas abundantes a menudo se ven como «algo mío» y pasan años sin revisarse. Referencias:
- tienes que cambiar la compresa o el tampón cada hora durante varias horas seguidas;
- coágulos más grandes que una moneda;
- manchas en la ropa, necesitas «doble protección»;
- reglas de más de 7 días;
- el sangrado limita tu día normal.
Reglas abundantes y hierro
Las reglas abundantes son la causa más frecuente de falta de hierro en las mujeres. Las reservas de hierro bajan antes de que cambie un análisis de sangre habitual, y el cansancio, la falta de aire al subir escaleras, la caída del pelo, las uñas frágiles y el frío aparecen ya entonces. Pistas especiales: ganas de masticar hielo y piernas inquietas por la noche.
Qué hacer:
- Pedir un análisis de ferritina: es el principal indicador de las reservas. El hierro, según el análisis, no a ciegas: el exceso de hierro también es perjudicial.
- Comida con hierro. El hierro que mejor se absorbe es el de la carne, las aves, el pescado y el marisco. El vegetal —lentejas, alubias, tofu, pipas de calabaza, verduras de hoja oscura— conviene combinarlo con vitamina C en la misma comida: pimiento, cítricos, kiwi.
- Té, café y lácteos, por separado de la comida con hierro, aproximadamente una hora después: dificultan su absorción.
Y lo más importante: las reglas abundantes tienen solución. El ginecólogo tiene opciones que reducen mucho la pérdida de sangre. El hierro sin tratar la causa es un parche, no una solución.
Registrar es la mitad del trabajo
Anota en VIA-L el primer día de la regla. En unos ciclos se ve cómo cambia la duración del ciclo, y con eso es más fácil ir al médico. Además, el diario ayuda a entender cómo se relaciona el ciclo con el sueño, el ánimo y los sofocos.
Lo que no hace falta
- Los kits de suplementos «por fases del ciclo» son marketing: tomarlos por fases no es mejor que a diario.
- La «rotación de semillas»: no hay datos clínicos. Las semillas son buenas como alimento, pero rotarlas por días no cambia nada.
Cuándo ir al médico sin esperar
- Tienes que cambiar la compresa o el tampón cada hora durante varias horas seguidas.
- Reglas de más de 8 días.
- Sangrado entre reglas o después de una relación.
- Sangrado junto con mucho cansancio, falta de aire, mareo o desmayos.
- Cualquier sangrado después de 12 meses sin regla: siempre es motivo para ir pronto al ginecólogo.
Qué probar esta semana
- Anotar en VIA-L el primer día de la regla.
- Con reglas abundantes, comida con hierro junto con vitamina C; té y café, una hora después.
- Si te has reconocido en la lista de «abundantes», pide cita con el ginecólogo y un análisis de ferritina.
En qué se basa
Este artículo se basa en temas de la base de conocimiento de VIA-L. Estos son los estudios publicados que hay detrás:
- Cost-Effectiveness of First-Line IV vs Oral Iron for Iron-Deficiency Anemia in Women With Heavy Menstrual Bleeding — Blood Advances, 2026 doi
- Cognitive Behavioural Therapeutics for Insomnia Symptoms in the Perimenopause Through to the Early Postmenopausal Period — The Cochrane Database of Systematic Reviews, 2026 doi
- Cognitive-Behavioral, Acceptance-Based, and Mindfulness-Based Interventions for Psychological and Sleep-Related Symptoms During Menopause: A Systematic Review — Acta Psychologica, 2026 doi
- Integrative Approaches to Perimenopause — The American Journal of Medicine, 2026 doi
- Effectiveness of Non-Pharmacological Interventions for Insomnia Related to Natural Menopause: A Meta-Analysis of Randomized Controlled Trials — Maturitas, 2026 doi
- Nutritional Modulators of Sleep: A Narrative Review of Vitamins, Minerals, Amino Acids, and Their Neurobiological and Chronoepigenetic Mechanisms — Chronobiology International, 2026 doi
- Real-World Safety Profile of Fezolinetant: A Disproportionality Analysis Based on the FAERS Database — Naunyn-Schmiedeberg's Archives of Pharmacology, 2026 doi
- Effect of Lactobacillus-Based Probiotics on Genitourinary Syndrome of Menopause in Post-Menopausal Women: A Systematic Review — Maturitas, 2026 doi
- Hepatic Adverse Event Signals of Fezolinetant in Real-World Use Based on Postmarketing Surveillance — Obstetrics and Gynecology, 2026 doi
- Integrative Medicine Approaches for Menopause — Obstetrics and Gynecology, 2026 doi
- Reframing menopause and menopause hormone therapy as opportunities for healthy aging — Science, 2026 doi
- Iron Deficiency in Adults: A Review — JAMA, 2025 doi
Ver todos (103)
- Psychiatric and Cognitive Outcomes of Iron Supplementation in Non-Anemic Children, Adolescents, and Menstruating Adults: A Meta-Analysis and Systematic Review — Neuroscience and Biobehavioral Reviews, 2025 doi
- Comparison of diagnostic algorithms used in guidelines on nutritional anaemias in adults — PloS One, 2025 doi
- Infertility Evaluation and Treatment — The New England Journal of Medicine, 2025 doi
- Effect of a Novel Nutraceutical Combination of EstroG-100 and Γ-Aminobutyric Acid (GABA) in Attenuating Symptoms of Menopause in Healthy Adult Women: A Randomized Double-Blinded Placebo-Controlled Study — Menopause (New York, N.Y.), 2025 doi
- FDA Approves Nonhormonal Treatment for Menopausal Hot Flashes — JAMA, 2025 doi
- Nonhormonal Treatment of Menopausal Vasomotor Symptoms — JAMA Internal Medicine, 2025 doi
- Elinzanetant for the Treatment of Vasomotor Symptoms Associated With Menopause: A Phase 3 Randomized Clinical Trial — JAMA Internal Medicine, 2025 doi
- Self-Administered Hypnosis vs Sham Hypnosis for Hot Flashes — JAMA Network Open, 2025 doi
- Safety of Fezolinetant for Treatment of Moderate to Severe Vasomotor Symptoms Due to Menopause: Pooled Analysis of Three Randomized Phase 3 Studies — Advances in Therapy, 2025 doi
- Advances in Pharmacotherapy for Menopausal Vasomotor Symptoms — Drugs, 2025 doi
- Effect of Soy Isoflavones on Measures of Estrogenicity: A Systematic Review and Meta-Analysis of Randomized Controlled Trials — Advances in Nutrition (Bethesda, Md.), 2025 doi
- Evidence-Based Guideline: Premature Ovarian Insufficiency — Fertility and Sterility, 2025 doi
- The Effectiveness of Mindfulness-Based Interventions on Menopausal Symptoms: A Systematic Review and Meta-Analysis of Randomized Controlled Trials — Journal of Affective Disorders, 2025 doi
- The Role of Lifestyle Medicine in Menopausal Health: A Review of Non-Pharmacologic Interventions — Climacteric : The Journal of the International Menopause Society, 2025 doi
- European Society of Endocrinology Clinical Practice Guideline for Evaluation and Management of Menopause and the Perimenopause — European Journal of Endocrinology, 2025 doi
- Fezolinetant and Elinzanetant Therapy for Menopausal Women Experiencing Vasomotor Symptoms: A Systematic Review and Meta-Analysis — Obstetrics and Gynecology, 2025 doi
- Gut Microbiota Has the Potential to Improve Health of Menopausal Women by Regulating Estrogen — Frontiers in Endocrinology, 2025 doi
- Natural Strategies to Optimize Estrogen Levels in Aging Women: Mini Review — Frontiers in Aging, 2025 doi
- Effects of Soy Isoflavones on Menopausal Symptoms in Perimenopausal Women: A Systematic Review and Meta-Analysis — PeerJ, 2025 doi
- The Modern Management of Uterine Fibroids-Related Abnormal Uterine Bleeding — Fertility and Sterility, 2024 doi
- ACR Appropriateness Criteria® Management of Uterine Fibroids: 2023 Update — Journal of the American College of Radiology : JACR, 2024 doi
- A clinical study evaluating low dose ferrous fumarate vs — Scientific Reports, 2024 doi
- Identification and management of preoperative anaemia in adults: A British Society for Haematology Guideline update — British Journal of Haematology, 2024 doi
- An Empowerment Model for Managing Menopause — Lancet (London, England), 2024 doi
- "Not feeling like myself" in perimenopause - what does it mean? Observations from the Women Living Better survey — Menopause, 2024 doi
- Mapping Global Prevalence of Menopausal Symptoms Among Middle-Aged Women: A Systematic Review and Meta-Analysis — BMC Public Health, 2024 doi
- The Relationship Between Heavy Menstrual Bleeding, Iron Deficiency, and Iron Deficiency Anemia — American Journal of Obstetrics and Gynecology, 2023 doi
- Oral Gonadotropin-Releasing Hormone Antagonists for the Treatment of Uterine Leiomyomas — Obstetrics and Gynecology, 2023 doi
- Oral Micronized Progesterone for Perimenopausal Night Sweats and Hot Flushes a Phase III Canada-Wide Randomized Placebo-Controlled 4 month Trial — Scientific Reports, 2023 doi
- Effects of Sleep Fragmentation and Estradiol Decline on Cortisol in a Human Experimental Model of Menopause — The Journal of Clinical Endocrinology and Metabolism, 2023 doi
- Changes in Cortisol Awakening Responses (CAR) in Menopausal Women Through Short-Term Marine Healing Retreat Program With Specific Factors Affecting Each CAR Index — PloS One, 2023 doi
- Progesterone and Its Metabolites Play a Beneficial Role in Affect Regulation in the Female Brain — Pharmaceuticals (Basel, Switzerland), 2023 doi
- Management of Menopausal Symptoms: A Review — JAMA, 2023 doi
- Premenstrual Disorders, Timing of Menopause, and Severity of Vasomotor Symptoms — JAMA Network Open, 2023 doi
- Effects of transdermal versus oral hormone replacement therapy in postmenopause: a systematic review — Archives of Gynecology and Obstetrics, 2023 doi
- Fezolinetant: First Approval — Drugs, 2023 doi
- EMAS Position Statement: Vitamin D and Menopausal Health — Maturitas, 2023 doi
- Resistance Training for Postmenopausal Women: Systematic Review and Meta-Analysis — Menopause (New York, N.Y.), 2023 doi
- A Dietary Intervention for Vasomotor Symptoms of Menopause: A Randomized, Controlled Trial — Menopause (New York, N.Y.), 2023 doi
- Black Cohosh Extracts in Women With Menopausal Symptoms: An Updated Pairwise Meta-Analysis — Menopause (New York, N.Y.), 2023 doi
- The 2023 Nonhormone Therapy Position Statement of the North American Menopause Society — Menopause (New York, N.Y.), 2023 doi
- Rethinking Menopausal Hormone Therapy: For Whom, What, When and How long? — Circulation, 2023 doi
- Effect of hysterectomy on ovarian function: a systematic review and meta-analysis — J Ovarian Res, 2023 doi
- Interventions for heavy menstrual bleeding; overview of Cochrane reviews and network meta‐analysis — Cochrane Database of Systematic Reviews, 2022 doi
- Iron Deficiency Anemia: Impact on Women's Reproductive Health — Fertility and Sterility, 2022 doi
- Uterine bleeding: how understanding endometrial physiology underpins menstrual health — Endocrinology, 2022 doi
- Guideline for the laboratory diagnosis of iron deficiency in adults (excluding pregnancy) and children — British Journal of Haematology, 2022 doi
- Iron deficiency screening is a key issue in chronic inflammatory diseases: A call to action — Journal of Internal Medicine, 2022 doi
- Relating Neurosteroid Modulation of Inhibitory Neurotransmission to Behaviour — Journal of Neuroendocrinology, 2022 doi
- Role of Inflammation, Oxidative Stress, and Mitochondrial Changes in Premenstrual Psychosomatic Behavioral Symptoms with Anti‐Inflammatory, Antioxidant Herbs, and Nutritional Supplements — Oxidative Medicine and Cellular Longevity, 2022 doi
- Efficacy of Cognitive Therapy and Behavior Therapy for Menopausal Symptoms: A Systematic Review and Meta-Analysis — Psychological Medicine, 2022 doi
- Effects of Exercise on Vasomotor Symptoms in Menopausal Women: A Systematic Review and Meta-Analysis — Climacteric : The Journal of the International Menopause Society, 2022 doi
- Results of a Pilot Study of a Cooling Mattress Pad to Reduce Vasomotor Symptoms and Improve Sleep — Menopause (New York, N.Y.), 2022 doi
- Resistance Training Reduced Luteinising Hormone Levels in Postmenopausal Women in a Substudy of a Randomised Controlled Clinical Trial: A Clue to How Resistance Training Reduced Vasomotor Symptoms — PloS One, 2022 doi
- A Review of Clinical Guidelines on the Management of Iron Deficiency and Iron-Deficiency Anemia in Women With Heavy Menstrual Bleeding — Advances in Therapy, 2021 doi
- Diagnosis and Treatment of Luteal Phase Deficiency: A Committee Opinion — Fertility and Sterility, 2021 doi
- The Effect of Vitamin MK-7 on Bone Mineral Density and Microarchitecture in Postmenopausal Women With Osteopenia, a 3-Year Randomized, Placebo-Controlled Clinical Trial — Osteoporosis International : A Journal Established as Result of Cooperation Between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA, 2021 doi
- Cognitive Behavioral Therapy for Menopausal Symptoms — Climacteric : The Journal of the International Menopause Society, 2021 doi
- Assessment and Management of Heavy Menstrual Bleeding — JAMA, 2020 doi
- The Allopregnanolone to Progesterone Ratio Across the Menstrual Cycle and in Menopause — Psychoneuroendocrinology, 2020 doi
- The Effects of Dietary Nutrition on Sleep and Sleep Disorders — Mediators of Inflammation, 2020 doi
- The Effect of Oral Capsule of Curcumin and Vitamin E on the Hot Flashes and Anxiety in Postmenopausal Women: A Triple Blind Randomised Controlled Trial — Complementary Therapies in Medicine, 2020 doi
- Altered Activity of Xenobiotic Detoxifying Enzymes at Menopause - A Cross-Sectional Study — Environmental Research, 2020 doi
- Calcium, Vitamin D, Vitamin K2, and Magnesium Supplementation and Skeletal Health — Maturitas, 2020 doi
- Hormone Therapy for Postmenopausal Women — The New England Journal of Medicine, 2020 doi
- Menopause Transition and Cardiovascular Disease Risk: Implications for Timing of Early Prevention: A Scientific Statement From the American Heart Association — Circulation, 2020 doi
- American Association of Clinical Endocrinologists/American College of Endocrinology Clinical Practice Guidelines for the Diagnosis and Treatment of Postmenopausal Osteoporosis-2020 Update — Endocrine Practice : Official Journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists, 2020 doi
- Abnormal Uterine Bleeding in Reproductive-Age Women — JAMA, 2019 doi
- Screening and Management of Bleeding Disorders in Adolescents With Heavy Menstrual Bleeding: ACOG COMMITTEE OPINION, Number 785 — Obstetrics and Gynecology, 2019 doi
- Allopregnanolone and Reproductive Psychiatry: An Overview — International Review of Psychiatry (Abingdon, England), 2019 doi
- Soy Intake and Vasomotor Menopausal Symptoms Among Midlife Women: A Pooled Analysis of Five Studies From the InterLACE Consortium — European Journal of Clinical Nutrition, 2019 doi
- Pheochromocytoma and Paraganglioma — The New England Journal of Medicine, 2019 doi
- Antifibrinolytics for heavy menstrual bleeding — Cochrane Database of Systematic Reviews, 2018 doi
- Effect of Omega-3 Supplements on Vasomotor Symptoms in Menopausal Women: A Systematic Review and Meta-Analysis — European Journal of Obstetrics, Gynecology, and Reproductive Biology, 2018 doi
- Mindfulness-Based Stress Reduction (MBSR) or Psychoeducation for the Reduction of Menopausal Symptoms: A Randomized, Controlled Clinical Trial — Scientific Reports, 2018 doi
- Why Are Women So Vulnerable to Anxiety, Trauma-Related and Stress-Related Disorders? The Potential Role of Sex Hormones — Psychiatry, 2017 doi
- Effects of low‐to‐moderate alcohol supplementation on urinary estrogen metabolites in postmenopausal women in a controlled feeding study — Cancer Medicine, 2017 doi
- Surgery versus medical therapy for heavy menstrual bleeding — Cochrane Database of Systematic Reviews, 2016 doi
- Non‐anaemic iron deficiency – a disease looking for recognition of diagnosis: a systematic review — European Journal of Haematology, 2016 doi
- Use of Plant-Based Therapies and Menopausal Symptoms: A Systematic Review and Meta-analysis — JAMA, 2016 doi
- Duration of menopausal vasomotor symptoms over the menopause transition — JAMA Intern Med, 2015 doi
- Luteal Phase Deficiency in Regularly Menstruating Women: Prevalence and Overlap in Identification Based on Clinical and Biochemical Diagnostic Criteria — The Journal of Clinical Endocrinology and Metabolism, 2014 doi
- Exercise for vasomotor menopausal symptoms — Cochrane Database of Systematic Reviews, 2014 doi
- Fruit, Mediterranean-Style, and High-Fat and -Sugar Diets Are Associated With the Risk of Night Sweats and Hot Flushes in Midlife: Results From a Prospective Cohort Study — The American Journal of Clinical Nutrition, 2013 doi
- Practice Bulletin No — Obstetrics and Gynecology, 2012 doi
- Protective role of melatonin in progesterone production by human luteal cells — Journal of Pineal Research, 2011 doi
- Perceived Control, Lifestyle, Health, Socio-Demographic Factors and Menopause: Impact on Hot Flashes and Night Sweats — Maturitas, 2011 doi
- Pathophysiology and Treatment of Menopausal Hot Flashes — Seminars in Reproductive Medicine, 2005 doi
- Is This Woman Perimenopausal? — JAMA, 2003 doi
- Diagnostic Role of Follicle-Stimulating Hormone (FSH) Measurements During the Menopausal Transition--an Analysis of FSH, Oestradiol and Inhibin — European Journal of Endocrinology, 1994 doi
- The Association Between Moderate Alcoholic Beverage Consumption and Serum Estradiol and Testosterone Levels in Normal Postmenopausal Women: Relationship to the Literature — Alcoholism, Clinical and Experimental Research, 1992 doi
La solidez de esta evidencia varía: hay grandes revisiones y metaanálisis, y también estudios pequeños aislados. Los pasos del artículo son medidas sencillas de autocuidado de bajo riesgo, no un tratamiento, y pueden no servir para todos.
Esto es información general, no una prescripción. Las pruebas y el tratamiento los decide un médico.