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A non‐inferiority analysis of hemoglobin levels in postpartum IUD users in Bangladesh

OBJECTIVE: The objective of this study was to compare postpartum hemoglobin (Hb) between postpartum intrauterine device (PPIUD) and non‐PPIUD users. METHODS: A sample of 3697 postpartum women (475 PPIUD users, 3222 non‐PPIUD users) from 5 tertiary referral hospitals in Bangladesh were assessed at mu...

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Detalles Bibliográficos
Autores principales: Bright, Suzanna, Gore‐Langton, Georgia R., Fatima, Parveen, Dewan, Farhana, Yesmin, Afroja, Makins, Anita
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9543526/
https://www.ncbi.nlm.nih.gov/pubmed/35157319
http://dx.doi.org/10.1002/ijgo.14143
Descripción
Sumario:OBJECTIVE: The objective of this study was to compare postpartum hemoglobin (Hb) between postpartum intrauterine device (PPIUD) and non‐PPIUD users. METHODS: A sample of 3697 postpartum women (475 PPIUD users, 3222 non‐PPIUD users) from 5 tertiary referral hospitals in Bangladesh were assessed at multiple time points between 6 weeks and 12 months postpartum. Non‐inferiority linear regression analysis compared changes in Hb levels at 29–52 weeks postpartum between the two groups. Non‐inferiority was declared if the lower 95% confidence interval of the estimated difference in Hb change since delivery between PPIUD and non‐PPIUD users was greater than −0.05 g/dl. RESULTS: At approximately 9 months postpartum, 276 women in the PPIUD group (58.1%) and 1086 women in the comparison group (33.7%) attended follow‐up. In total, 57.9% of PPIUD users and 61.0% of non‐PPIUD users had taken iron supplementation. Change in Hb was 0.02 g/dl (95% CI: −0.16, 0.19) higher in the PPIUD users than the comparison group. The lower limit of the 95% CI was greater than −0.05 g/dl, providing good evidence that PPIUD users were non‐inferior to the comparison group in their Hb levels. CONCLUSION: In the presence of offering iron supplementation, and an uptake of just over 60%, no difference in anemia was observed between the PPIUD and control group.