An observational study in Obstructive Sleep Apnea, Chronic Tonsillitis and Pregnancy, sponsored by Peking University First Hospital. Status unknown. Open to female participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2024-06-04.
Sponsored by Peking University First Hospital · Observational
This cohort study aims to investigate the impact of obstructive sleep apnea hypopnea syndrome (OSA) resulting from chronic tonsillitis on pregnancy outcomes. The hypothesis posits that chronic tonsillitis-induced OSA may exacerbate pregnancy complications and increase the risk of adverse pregnancy outcomes.
2,263 studies on the registry are indexed under Sleep Apnea, Obstructive; 465 are open to participants now.
This study's planned enrollment of 500 is above the median of 105 across 666 observational studies indexed under Sleep Apnea, Obstructive.
Browse Sleep Apnea, Obstructive studies →Peking University First Hospital is the lead sponsor of 386 studies on the registry; 182 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Pregnant women who have established prenatal care records and undergone antenatal check-ups at PKUFH
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
exposure: OSA resulting from chronic tonsillitis
preterm birth rate
Time frame: 10 months
delivery methods
Time frame: 10 months
pregnancy complications
Time frame: 10 months
neonatal birth weight
birth weight of newborns measured in grams
Time frame: 10 months
neonatal length
length of newborns measured in centimeters
Time frame: 10 months
Apgar score of newborns
The Apgar score consists of five main indicators: skin color, heart rate, response to stimulation, muscle tone, and respiration. Each indicator is scored from 0 to 2, with a total score of 10. This scoring method serves as a guiding tool for the resuscitation of newborns with asphyxia and could provide a degree of predictive value for the neurological development of infants in the future.
Time frame: 10 months
No study locations are listed for this record.
Plan to share: No — Individual participant data will be provided upon request.
No publications or documents are linked to this record.
Start is estimated for Jul 2024; primary completion for Dec 2025, 17 months later.
Of 259 non-industry observational studies under Sleep Apnea, Obstructive, half reached primary completion within 31 months of starting (the median), counting those still running; a quarter within 17 and three quarters within 60. This study's planned 17 months is below that.
Counting every sponsor, half of 294 studies reached it within 30 months; a quarter within 15 and three quarters within 60.
How these figures are worked out, and which studies are left out of them.
This study is status unknown, as verified in Jun 2024. You cannot join it, but the record below documents what was studied.
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