The O&G Department provides both public_services (under Hospital Authority), and private_services (under CUHK). Being an tertiary referral centre, the Department receives high risk or complicated cases from other regional hospitals as well as from private sectors. Our laboratories also accept samples from other public and private units for various special tests such as biochemical Down syndrome screening, First-trimester Preeclampsia Screening, Fragile X screening, cytogenetic and molecular genetic testing (karyotyping, qf-PCR, BoBs assay, Fetal chip, aCGH), pre-implantation genetic screening / diagnosis, hormonal assays, oral glucose tolerance test, expanded newborn screening for inborn error of metabolism, etc.