Postpartum depression (PPD)
Conditions
Interventions
Intervention group:40 Hz flickering light.
Participants received the intervention in a dimly lit environment in the post-anesthesia care unit (PACU) or ward. Participants wore a 40 Hz flickering ligh
Control group:White light therapy.
The intervention environment, procedures, and timing schedule in the sham group were identical to those in the active intervention group. Participants wore the same
Sponsors
Huzhou Maternity & Child Health Care Hospital
Eligibility
Sex/Gender
Female
Age
18 Years to 45 Years
Inclusion criteria
Inclusion criteria: 1.Age between 18 and 45 years; 2.Gestational age of at least 34 weeks; 3.American Society of Anesthesiologists (ASA) physical status classification of I–III; 4.Ability to comprehend study procedures and rating instruments, and to communicate effectively with research personnel; 5.Willingness to participate, documented by provision of written informed consent.
Exclusion criteria
Exclusion criteria: 1.Severe obstetric complications, including severe preeclampsia, placenta accreta, HELLP syndrome, placenta previa, or placental abruption; 2.Refractory or persistent hypertension, severe cardiovascular disease (New York Heart Association functional class III or above), or hyperthyroidism; 3.Concurrent use of medications known to influence mood or prescribed for the management of mood-related disorders; 4.Clinically significant disorders of the visual system, encompassing glaucoma, severe retinal pathology, marked optic neuropathy, severe visual impairment, or photosensitive ocular conditions; 5.A documented history of epilepsy or photosensitive migraine disorder; 6.Severe systemic illness, active suicidal ideation, or a self-reported history of major psychiatric disorders—including bipolar disorder and schizophrenia—or ongoing psychiatric treatment with anxiolytics, psychotropic agents, or formal psychotherapy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of postpartum depression at 6 weeks; | — |
Secondary
| Measure | Time frame |
|---|---|
| severity of postpartum blues (PPB);Rescue analgesia;Postoperative sleep quality;Postoperative pain and cumulative opioid consumption;Severity of postpartum depression (PPD);Adverse events and complications; | — |
Countries
China
Contacts
Public ContactCheng Qian
Huzhou Maternity & Child Health Care Hospital
Outcome results
None listed