1. Baos-González, M. Á., Mariño-Narváez, C., De Echarri-Lorente, J., Fasfous, A. F., & Peralta-Ramírez, M. I. (2025). Validation of a Stress Reactivity Assessment Protocol for Children Aged 4–5 Years: Exploring the Influence of Sex, Emotional Responses, and Crying. Psychoneuroendocrinology, 163, Article 106979. https://doi.org/10.1016/j.psyneuen.2024.106979
2. Marino-Narvaez, C., Puertas-Gonzalez, J. A., Romero-Gonzalez, B., & Peralta-Ramirez, M. I. (2024). How prenatal cortisol levels may differentially affect the neurodevelopment of boys and girls. Early Human Development, 187, Article 105874. https://doi.org/10.1016/j.earlhumdev.2023.105874
3. Puertas-González, J. A., Mariño-Narváez, C., Romero-González, B., Casado-Soto, A., & Peralta-Ramírez, M. I. (2024). The role of resilience in the potential benefits of cognitive-behavioural stress management therapy during pregnancy. Journal of Reproductive and Infant Psychology, 42(5), 789–801. https://doi.org/10.1080/02646838.2023.2203720
4. Mariño-Narváez, C., Puertas-González, J. A., Romero-González, B., & Peralta-Ramírez, M. I. (2024). Pregnant women’s mental health during the COVID-19 pandemic according to the trimester of pregnancy. Journal of Reproductive and Infant Psychology, 43(3), 557-572. https://doi.org/10.1080/02646838.2023.2166113
5. Romero-González, B., Lozano-Ruiz, A., Puertas-González, J. A., & Peralta-Ramírez, M. I. (2023). Symptoms of anxiety in mothers during the COVID-19 lockdown: a structural equation model approach. Journal of Family Issues, 44(7), 1756-1772. https://doi.org/10.1177/0192513X211054501
6. Mariño-Narváez, C., Puertas-González, J. A., Romero-González, B., & Peralta-Ramírez, M. I. (2023). Phobic anxiety as predictor of maternal hair cortisol levels during pregnancy. International Journal of Psychology, 58, 785–785.
7. Puertas-Gonzalez, J. A., Mariño-Narvaez, C., Romero-Gonzalez, B., & Peralta-Ramirez, M. I. (2023). Resilience, stress and anxiety in pregnancy before and throughout the pandemic: A structural equation modelling approach. Current Psychology, 42(25), 22013-22023. https://doi.org/10.1007/s12144-022-03290-7
8. Mariño-Narváez, C., Puertas-González, J. A., Romero-González, B., Gonzalez-Pérez, R., & Peralta-Ramírez, M. I. (2023). How prenatal cortisol levels may differentially affect the neurodevelopment of boys and girls. Early Human Development, 187, 105874. https://doi.org/10.1016/j.earlhumdev.2023.105874
9. Puertas-Gonzalez, J. A., Romero-Gonzalez, B., Mariño-Narváez, C., Gonzalez-Perez, R., Sosa-Sanchez, I. O., & Peralta-Ramirez, M. I. (2023). Can we influence the neurological development and hair cortisol concentration of offspring by reducing the stress of the mother during pregnancy? A randomized controlled trial. Stress and Health, 39(4), 753–765. https://doi.org/10.1002/smi.3222
10. Romero‑Gonzalez, B., Martin, C. R., Caparros‑Gonzalez, R. A., Quesada‑Soto, J. M., & Peralta‑Ramirez, M. I. (2022). Spanish validation and factor structure of the Prenatal Distress Questionnaire Revised (NuPDQ). Journal of Reproductive and Infant Psychology, 40(3), 242–253. https://doi.org/10.1080/02646838.2020.1861227
11. Marino-Narvaez, C., Puertas-Gonzalez, J. A., & Peralta-Ramírez, M. I. (2022). Psychopathology and prenatal concerns in pregnant women between the first and second wave of COVID-19 in Spain. Journal of Reproductive and Infant Psychology, 40(2), CXXXI–CXXXI. https://doi.org/10.1080/02646838.
12. Romero-Gonzalez, B., Lozano-Ruiz, A., Puertas-González, J. A., Mariño-Narváez, C., & Peralta-Ramírez, M. I. (2021). Symptoms of anxiety in mothers during the COVID-19 lockdown: A structural equation model approach. Journal of Family Issues, 44(7), 1756–1772. https://doi.org/10.1177/0192513X211064861
13. Caparros-Gonzalez, R. A., Lynn, F., Alderdice, F., & Peralta-Ramirez, M. I. (2022). Cortisol levels versus self-report stress measures during pregnancy as predictors of adverse infant outcomes: A systematic review. Stress, 25(1), 189-212. https://doi.org/10.1080/10253890.2022.2054994
14. Romero-Gonzalez, B., Martin, C. R., Caparros-Gonzalez, R. A., Quesada-Soto, J. M., & Peralta-Ramirez, M. I. (2022). Spanish validation and factor structure of the Prenatal Distress Questionnaire Revised (NuPDQ). Journal of Reproductive and Infant Psychology, 40(3), 242–253. https://doi.org/10.1080/02646838.2020.1861227
15. Puertas-Gonzalez, J. A., Marino-Narvaez, C., Romero-Gonzalez, B., & Peralta-Ramirez, M. I. (2022). Online cognitive behavioural therapy as a psychological vaccine against stress during the COVID-19 pandemic in pregnant women: A randomised controlled trial. Journal of Psychiatric Research, 152, 397-405. https://doi.org/10.1016/j.jpsychires.2022.06.050
16. Caparros-Gonzalez, R. A., Romero-Gonzalez, B., & Peralta-Ramirez, M. I. (2021). Assessment of posttraumatic stress disorder among women after childbirth using the City Birth Trauma Scale in Spain. Psychological Trauma: Theory, Research, Practice, and Policy, 13(5), 545-553. https://doi.org/10.1037/tra0001021
17. Caparros-Gonzalez, R. A., de la Torre-Luque, A., Romero-Gonzalez, B., & Peralta-Ramirez, M. I. (2021). Stress during pregnancy and the development of diseases in the offspring: A systematic review and meta-analysis. Midwifery, 97, Article 102939. https://doi.org/10.1016/j.midw.2021.102939
18. Puertas-Gonzalez, J. A., Romero-Gonzalez, B., Strivens-Vilchez, H., & Peralta Ramirez. (2021). Cognitive-behavioural therapy during pregnancy improves babies’ neurodevelopment at 6 months age. Journal of Reproductive and Infant Psychology, 40(2), CXLVI–CXLVI.
19. Mariño-Narvaez, C., Puertas-Gonzalez, J. A., Romero-Gonzalez, B., & Peralta-Ramirez, M. I. (2021). Giving birth during the COVID-19 pandemic: The impact on birth satisfaction and postpartum depression. International Journal of Gynecology & Obstetrics, 153(1), 83–88. https://doi.org/10.1002/ijgo.13565
20. Puertas-González, J. A., Romero-González, B., Mariño-Narvaez, C., & Peralta-Ramírez, M. I. (2021). Cognitive-behavioral therapy as a damper of the negative psychological effects of confinement by COVID-19 on pregnant women. Revista Española de Salud Pública, 95, e202103014. https://doi.org/10.4321/S1135-57272021000100140
21. Riquelme Gallego, B., Amezcua Prieto, M. D. C., Peralta Ramírez, M. I., & Caparrós González, R. A. (2021). Differences in Psychological Symptoms in Pregnancy and Postpartum before and during COVID-19: A Cross-sectional Study. Colegio Oficial de la Psicología de Madrid. https://doi.org/10.5093/clysa2021a16
22. Romero-González, B., Puertas-González, J. A., Mariño-Narváez, C., & Peralta-Ramírez, M. I. (2021). COVID-19 lockdown variables predicting anxiety and depressive symptoms in pregnant women. Clinical Medicine, 156(4), 172-176. https://doi.org/10.1016/j.medcli.2020.10.012
23. Puertas-Gonzalez, J. A., Mariño-Narvaez, C., Peralta-Ramirez, M. I., & Romero-Gonzalez, B. (2021). The psychological impact of the COVID-19 pandemic on pregnant women. Psychiatry Research, 301, Article 113978. https://doi.org/10.1016/j.psychres.2021.113978
24. Puertas-Gonzalez, J. A., Marino-Narvaez, C., Romero-Gonzalez, B., & Peralta-Ramirez, M. I. (2021). Stress and psychopathology reduction in pregnant women through online cognitive-behavioural therapy during COVID-19: A feasibility study. Behavioral Sciences, 11(7). https://doi.org/10.3390/bs11070100
25. Puertas-González, J. A., Romero-González, B., Mariño-Narvaez, C., & Peralta-Ramirez, M. I. (2021). La terapia cognitiva-conductual como amortiguadora de los efectos psicológicos negativos del confinamiento por la COVID-19 en mujeres embarazadas. Revista Española de Salud Pública, 95, 1-10. https://doi.org/10.4321/S1135-57272021000100140
26. Romero-Gonzalez, B., Puertas-Gonzalez, J. A., Gonzalez-Perez, R., & Davila, M. Peralta-Ramirez, M.I (2021). Hair cortisol levels in pregnancy as a possible determinant of fetal sex: A longitudinal study. Journal of Developmental Origins of Health and Disease, 12(6), 902-907. https://doi.org/10.1017/S204017442100002X
27. Romero-Gonzalez, B., Puertas-Gonzalez, J. A., Mariño-Narvaez, C., & Peralta-Ramirez, M. I. (2021). Confinement variables by COVID-19 predictors of anxious and depressive symptoms in pregnant women. Medicina Clínica (English Edition), 156(4), 172-176. https://doi.org/10.1016/j.medcle.2020.10.012
28. Caparros-Gonzalez, R. A., de la Torre-Luque, A., Romero-Gonzalez, B., & Peralta-Ramirez, M. I. (2021). Stress during pregnancy and the development of diseases in the offspring: A systematic review and meta-analysis. Midwifery, 97, Article 102939. https://doi.org/10.1016/j.midw.2021.102939
29. Romero-Gonzalez, B., Puertas-Gonzalez, J. A., Mariño-Narvaez, C., & Peralta-Ramirez, M. I. (2021). COVID-19 lockdown variables predicting anxiety and depressive symptoms in pregnant women. Medicina Clínica, 156(4), 172–176. https://doi.org/10.1016/j.medcli.2020.10.002
30. Caparros-Gonzalez, R. A., Romero-Gonzalez, B., Puertas-Gonzalez, J. A., Quirós-Fernández, S., Coca-Guzmán, B., & Peralta-Ramirez, M. I. (2021). Midwives and psychologists as professionals to screen and prevent pregnancy-specific stress. Revista Española de Salud Pública, 95, e202104060. https://ojs.sanidad.gob.es/index.php/resp/article/view/469
31. Caparros-Gonzalez, R. A., Romero-Gonzalez, B., & Peralta-Ramirez, M. I. (2021). Assessment of posttraumatic stress disorder among women after childbirth using the City Birth Trauma Scale in Spain. Psychological Trauma: Theory, Research, Practice, and Policy, 13(5), 545-553. https://doi.org/10.1037/tra0001021
32. Romero-Gonzalez, B., Puertas-Gonzalez, J. A., Strivens-Vilchez, H., & Peralta-Ramirez, M. I. (2020). Effects of cognitive-behavioural therapy for stress management on stress and hair cortisol in pregnant women: A randomised controlled trial. Journal of Psychosomatic Research, 135, Article 110162. https://doi.org/10.1016/j.jpsychores.2020.110162
33. Romero-Gonzalez, B., Puertas-Gonzalez, J. A., Strivens-Vilchez, H., & Peralta-Ramirez, M. I. (2020). Effects of cognitive-behavioural therapy for stress management on stress and hair cortisol in pregnant women: A randomised controlled trial. Journal of Psychosomatic Research, 135, Article 110162. https://doi.org/10.1016/j.jpsychores.2020.110162
34. Santa-Cruz, D. C., Caparros-Gonzalez, R. A., Romero-Gonzalez, B., & Peralta-Ramirez, M. I. (2020). Hair cortisol concentrations as a biomarker to predict a clinical pregnancy outcome in an IVF cycle: A pilot feasibility study. International Journal of Environmental Research and Public Health, 17(9), Article 3020. https://doi.org/10.3390/ijerph17093020
35. Caparros-Gonzalez, R. A., Perra, O., Alderdice, F., Lynn, F., Lobel, M., García-García, I., & Peralta-Ramírez, M. I. (2019). Psychometric validation of the Prenatal Distress Questionnaire (PDQ) in pregnant women in Spain. Women & Health, 59(8), 937-952. https://doi.org/10.1080/03630242.2019.1584143
36. Caparros-Gonzalez, R. A., Romero-Gonzalez, B., Gonzalez-Perez, R., & Peralta-Ramirez, M. I. (2019). Maternal and neonatal hair cortisol levels are associated with infant neurodevelopment at six months of age. Journal of Clinical Medicine, 8(11), Article 2015. https://doi.org/10.3390/jcm8112015
37. García-León, M. Á., Pérez-Mármol, J. M., Gonzalez-Pérez, R., & Peralta-Ramírez, M. I. (2019). Relationship between resilience and stress: Perceived stress, stressful life events, HPA axis response during a stressful task and hair cortisol. Physiology & Behavior, 202, 87–93. https://doi.org/10.1016/j.physbeh.2019.02.001
38. Caparros-Gonzalez, R. A., Romero-Gonzalez, B., & Peralta-Ramirez, M. I. (2018). Depresión posparto, un problema de salud pública mundial. Revista Panamericana de Salud Pública, 42, e97. https://doi.org/10.26633/RPSP.2018.97
39. Caparros-Gonzalez, R. A., Romero-Gonzalez, B., Strivens-Vilchez, H., Gonzalez-Perez, R., Martinez-Augustin, O., & Peralta-Ramirez, M. I. (2017). Hair cortisol levels, psychological stress and psychopathological symptoms as predictors of postpartum depression. PLOS ONE, 12(8), e0182817. https://doi.org/10.1371/journal.pone.0182817
40. Montero-López, E., Santos-Ruiz, A., García-Ríos, M. C., Rodríguez-Blázquez, M., Llaneza, P., & Peralta-Ramírez, M. I. (2018). The relationship between the menstrual cycle and cortisol secretion: Daily and stress-invoked cortisol patterns. International Journal of Psychophysiology, 131, 67–72. https://doi.org/10.1016/j.ijpsycho.2018.03.021
41. Romero-Gonzalez, B., Caparros-Gonzalez, R. A., Gonzalez-Perez, R., Delgado-Puertas, P., & Peralta-Ramirez, M. I. (2018). Newborn infants’ hair cortisol levels reflect chronic maternal stress during pregnancy. PLOS ONE, 13(7), e0200279. https://doi.org/10.1371/journal.pone.0200279
42. Romero-Gonzalez, B., Peralta-Ramirez, M. I., Caparros-Gonzalez, R. A., Cambil-Ledesma, A., Hollins Martin, C. J., & Martin, C. R. (2019). Spanish validation and factor structure of the Birth Satisfaction Scale-Revised (BSS-R). Midwifery, 70, 31-37. https://doi.org/10.1016/j.midw.2018.12.009
43. Caparros-Gonzalez, R. A., García-García, I., & Mariñas-Lirola, J. C. Peralta-Ramirez, M.I. (2018). Protocolo del estudio de cohortes GESTASTRESS sobre los efectos del estrés prenatal mediante la medida del cortisol en cabello de la mujer y del recién nacido. Revista Española de Salud Pública, 92, e201804027. https://doi.org/10.4321/S1135-57272018000100013
44. Caparros-Gonzalez, R. A., Perra, O., Alderdice, F., Lynn, F., Lobel, M., García-García, I., & Peralta-Ramírez, M. I. (2019). Psychometric validation of the Prenatal Distress Questionnaire (PDQ) in pregnant women in Spain. Women & Health, 59(8), 937-952. https://doi.org/10.1080/03630242.2019.1584143
45. Caparros-Gonzalez, R. A., Romero-Gonzalez, B., Gonzalez-Perez, R., & Peralta-Ramirez, M. I. (2019). Maternal and neonatal hair cortisol levels are associated with infant neurodevelopment at six months of age. Journal of Clinical Medicine, 8(11), Article 2015. https://doi.org/10.3390/jcm8112015
46. Caparros-Gonzalez, R. A., Romero-Gonzalez, B., Gonzalez-Perez, R., & Peralta-Ramirez, M. I. (2019). Maternal and neonatal hair cortisol levels and psychological stress are associated with the secretory activation of human milk production. Advances in Neonatal Care, 19(6), E11-E20. https://doi.org/10.1097/ANC.0000000000000653
47. Puertas-Gonzalez, J. A., Mariño-Narvaez, C., Peralta-Ramirez, M. I., & Romero-Gonzalez, B. (2021). The psychological impact of the COVID-19 pandemic on pregnant women. Psychiatry Research, 301. https://doi.org/10.1016/j.psychres.2021.113978
48. Romero-Gonzalez, B., Peralta-Ramirez, M. I., Caparros-Gonzalez, R. A., Cambil-Ledesma, A., Hollins Martin, C. J., & Martin, C. R. (2019). Spanish validation and factor structure of the Birth Satisfaction Scale-Revised (BSS-R). Midwifery, 70, 31-37. https://doi.org/10.1016/j.midw.2018.12.009
49. Romero-Gonzalez, B., Caparros-Gonzalez, R. A., Gonzalez-Perez, R., & Peralta-Ramirez, M. I. (2018). Hair cortisol levels, psychological stress and psychopathological symptoms prior to semi-urgent deliveries. Midwifery, 77, 45-52. https://doi.org/10.1016/j.midw.2019.06.010
50. Romero-González, B., Caparrós-González, R. A., Strivens-Vílchez, H., & Peralta-Ramírez, M. I. (2018). ¿Puede el índice de masa corporal pregestacional relacionarse con el estado psicológico de la madre durante todo el embarazo? Nutrición Hospitalaria, 35(2), 332-339. https://doi.org/10.20960/nh.1417
51. Pérez-Ramírez, F., García-García, I., & Caparros-Gonzalez, R. A. Peralta-Ramirez, M.I. (2017). Psychological assessment among immigrant and Spanish women during the postpartum period in Spain. Journal of Reproductive and Infant Psychology, 35(2), 159-171. https://doi.org/10.1080/02646838.2016.1264024
52. Caparros-Gonzalez, R. A., Strivens, H., Marinas-Lirola, J. C., & Garcia-Garcia, I. Peralta-Ramirez, M.I. (2015). Internal consistency and convergent validity of the Spanish version of the Prenatal Distress Questionnaire. Journal of Reproductive and Infant Psychology, 33(3), E36-E36. https://doi.org/10.1080/02646838.2015.1054238
53. Perez Ramirez, F., García-García, I., & Peralta-Ramírez, M. I. (2013). The migration process as a stress factor in pregnant immigrant women in Spain. Journal of Transcultural Nursing, 24(4), 348-354. https://doi.org/10.1177/1043659613493439