|
First
Trimester Blood Specimen Time Window |
|
10
Weeks 0 Days |
|
13
Weeks 6 Days |
First trimester
blood specimen should be drawn between:
|
|
and |
|
Draw a First Trimester blood
specimen between 10 weeks 0 days and 13 weeks 6 days of pregnancy, using
the California Program’s First Trimester
Screening Lab test form (Blue border). |
|
Nuchal Translucency (NT) Ultrasound Time
Window |
|
11
Weeks 2 Days |
|
14 Weeks 2 Days |
Nuchal translucency
ultrasound should be done between: |
|
and |
|
If you choose to have
an NT ultrasound, schedule the NT appointment between 11 weeks 2 days and
14 weeks 2 days of pregnancy. |
|
Second Trimester Blood Specimen Time Window |
|
15 Weeks 0 Days |
|
20 Weeks 0 Days |
Second trimester blood specimen
should be drawn between: |
|
and |
|
Draw a Second
Trimester blood specimen between 15 weeks 0 days and 20 weeks 0 days of
pregnancy, using the California Program’s Second Trimester
Screening Lab test form (Green border). |
|
Note: Your browser
must be Java-enabled for the calculator to work. The calculations are
estimates based on the pregnancy dating provided. Patients should consult
their clinician about prenatal
screening. |