Different pregnancy weeks need to check different items, not necessarily fasting.
The first pregnancy test to build a file, need to draw blood tests, check the pregnant woman’s liver function, kidney function, need to fasting for the test. At 14 to 19 weeks of pregnancy to do Down’s syndrome screening, need to take the pregnant woman’s venous blood, need to fasting. At 24 to 28 weeks in the middle of pregnancy, pregnant women are asked to do a glucose tolerance test, and pregnant women must have their blood drawn on an empty stomach.
In 12 to 16 weeks of pregnancy can listen to the fetal heart, do not need to fasting. Four-dimensional ultrasound will be done at 20 to 24 weeks of pregnancy, without fasting.
In short, throughout the pregnancy, if you want to do the examination needs to be blood tests, then it is recommended that pregnant women get up early and fasting pregnancy test, the results of the test is more accurate. However, if the pregnancy test does not require blood sampling, then no fasting is required and it is recommended that the pregnant woman do the test in the morning after eating.
Pregnant women should follow their doctor’s instructions and take regular pregnancy tests.