In order to ensure the normal development and production of the fetus, various examinations during pregnancy are essential. However, many expectant parents do not know which items should be checked during pregnancy and at what time they should be checked, resulting in missed check-up times and delayed check-ups. So, what are the pregnancy check-up items and at what period should they be checked? Doudehui has listed a list of pregnancy check-up items, hoping to help you understand better. 200 examples of nutritional recipes for 3-month pregnant women in ultra-clear full-color PDF. The first prenatal check-up: 6 to 13 + 6 weeks of pregnancy to establish the \”Liaoning Province Maternal and Child Health Handbook\”, urine routine, blood HCG, gynecological examination, blood routine, electrocardiogram, B-ultrasound (to determine intrauterine pregnancy and gestational age), NT color ultrasound (11-14 weeks), hemoglobin electrophoresis test (thalassemia screening). RPR/HIV screening, leucorrhea routine, BV, five items of eugenics, trace elements, early Down syndrome screening, three items of thyroid function, G6PT (favismosis). Second prenatal check-up: Obstetric check-up at 14~19+6 weeks of pregnancy (both include Doppler fetal heartbeat listening), blood type (ABO, Rh), blood routine, urine routine, liver function (5 items), kidney function (3 items) ), hepatitis B two and a half, hepatitis C virus antibodies, blood sugar. Mid-term Down syndrome screening, non-invasive prenatal testing (12-22+6 weeks), amniocentesis to check fetal chromosomes (16-22 weeks). The third prenatal check-up: Obstetric check-up at 20-24 weeks of pregnancy, urine routine, four-dimensional color ultrasound for large ovulation abnormalities, and measurement of cervical length (high risk of premature birth). Fourth prenatal check-up: Obstetric check-up at 25-28 weeks of pregnancy, urine routine, ABO antibody test, and glucose tolerance test. Fifth prenatal check-up: Obstetric check-up at 29-30 weeks of pregnancy, urine routine. Sixth prenatal check-up: Obstetric check-up at 30-32 weeks of pregnancy, routine blood test, routine urine test, and color ultrasound of small ovarian abnormalities. The seventh prenatal check-up: Obstetric check-up at 33-34 weeks of pregnancy, urine routine. The eighth prenatal check-up: obstetric check-up, urine routine, and fetal monitoring at 34-36 weeks of pregnancy. Ninth prenatal check-up: Obstetric check-up at 37 weeks of pregnancy, blood routine, urine routine, B-ultrasound, liver and kidney function, fetal monitoring. Electrocardiogram, bile acid, placental function E3/PRL, umbilical blood flow monitoring, leucorrhea routine, group B streptococcus, BV, pelvic measurement. The tenth prenatal check-up: obstetric check-up at 38 weeks of pregnancy, urine routine, and fetal monitoring. The eleventh prenatal check-up: obstetric check-up at 39 weeks of pregnancy, urine routine, and fetal monitoring. The twelfth prenatal check-up: obstetric check-up at 40 weeks of pregnancy, routine hematuria, fetal monitoring, and color ultrasound. Note: 1. Please bring all the examination information at other hospitals when you see the doctor; 2. There are special circumstances and high-risk pregnancies at each stage of pregnancy. Doctors should increase the number of examination items according to the condition. Pregnancy check-up is a relatively important process. Mothers should calculate their own time and go to the hospital for appropriate examinations in a timely manner. Only in this way can we better understand the condition of the fetus and better respond to some emergencies. Before the inspection, you should also pay attention to bringing the corresponding information and necessary things!