Dynamics of the human yolk sac in the first trimester of pregnancy.

Dynamics of the human yolk sac in the first trimester of pregnancy. - Yolk sac dynamics.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

NL-OMON

Registry ID

NL-OMON40049

Enrollment

Registered

2013-04-10

Start date

2013-08-15

Completion date

Unknown

Last updated

2024-04-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

geen aandoening

Interventions

Standardized breakfast.

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: Predict study participants who volunteered for a longitudinal 3D ultrasound evaluation in early pregnancy and who were willing to volunteer for one additional series of four ultrasound scans and for five additional determinations of blood glucose levels preceding the extra ultrasound scans. Their gestational age has to be in the range of 7+4 to 10+3 weeks based on last menstrual period or conception date.

Exclusion criteria

Exclusion criteria: - Women 10+3 weeks - Clinically unstable women - Clinically unstable fetuses - Women with diabetus mellitus - Multiple pregnancy

Design outcomes

Primary

Measure	Time frame
Biometry of the yolk sac during the day (YSD, YSV) and blood glucose levels of the pregnant women preceding the ultrasound examinations. Time-dependent relationship, if any, between YS parameters (YSD and YSV) and blood glucose levels.	—

Secondary

Measure	Time frame
n.a.	—

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)