Expectation and knowledge of pregnant women undergoing first and second trimester ultrasound examination in a Chinese population.

Objective: To evaluate expectation and knowledge on obstetric ultrasound examination in the first and second trimester in a Chinese population.

Method: A cross-sectional survey was conducted in a university obstetric clinic in Hong Kong. Chinese pregnant women who underwent the first trimester early scan sessions, or the second trimester anomaly scan sessions were invited to complete a self-administered questionnaire, which contained items on their knowledge, expectation, and sociodemographic characteristics.

Expectation and knowledge of women undergoing first-trimester combined screening for Down syndrome in a Chinese population.

Objectives: To study the preference of pregnant women regarding the time taken to report the results of first-trimester combined screening for Down syndrome and their knowledge about it.

Methods: A questionnaire survey was conducted on a cohort of 325 pregnant participants who attended our first-trimester combined nuchal translucency and biochemical screening programme for fetal Down syndrome. This service was operated in a one-stop setting and the result of the screening test was available within 1 to 2 h after the collection of blood sample.