Sample size for Research project At a Maternity hospital in Dublin

Job ID: 32196998

Budget: €8 – €30 EUR

we are conducting a research at a hospital in Dublin.
Its a prospective observational study looking for diagnosis of Gestational Diabetes with use of a glucose monitor.
We need sample size for this study.
Annual influx of pregnant patients in hospital was 8284 in 2019.
Number of Patients with gestational diabetes was 933 in 2019.
we want Power of study 80% and 95% confidence interval and calculation of drop out rate as well.
we are willing to provide anything further for calculation of sample size.