Prenatal Management Center

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Delivery Center

Zion Women셲 Hospital, Serving with Love

Would you like to know when you will first meet your baby?
You can find out your due date by inserting the start date of your last menstrual period.

Insert the start date of your last menstrual period.

Due date

Date of conception (approximately 2 weeks after the first day of your last menstrual period)

The most dangerous period for the baby (between 5~10 weeks)

From to

The period when the baby셲 most significant organs are generated


The period when the baby셲 other important organs are generated


The period when the risk of a miscarriage decreases (12~27 weeks)

After this period, the survival rate for a premature baby is high.

The start of the third trimester (27 weeks)
Consult with your doctor and choose the method of delivery based on the condition of the baby.

For the mother and the baby to be healthy and experience a safe delivery, regular checkups need to be taken from the early days of pregnancy, so that the various conditions and problems that may arise with the mother and the baby can be prevented or treated.
01. Tests for the early period of pregnancy (from the first hospital visit to 10 weeks)
Ultrasound conception is confirmed and the health state of the fetus is checked. (vaginal ultrasound, after 10 weeks abdomen ultrasound)
Tests to check the anemia, blood type, thyroid and liver function, hepatitis B, rubella, poxvirus, vitamin D, syphilis, AIDS, urine, and cervical cancer are all conducted.

02. 10 weeks of pregnancy
Congenital anomaly tests that analyze the genes are taken and fetal chromosomes in the mother셲 blood are also analyzed to diagnose chromosome conditions (Down syndrome, Edwards syndrome and patau syndrome etc.)

03. 11~13 weeks of pregnancy
1) Nuchal translucency(NT) 痢≪젙 : The risk of Down syndrome is determined by measuring the nuchal translucency of the fetus through four-dimensional ultrasound.
2) 1st integrated sorting test (NT + PAPP-A) : Integrating the NT test, the PAPP-A test (12 weeks) and the Quad Test (16 weeks), which are sorting tests to diagnose fetal anomalies, reveals the highest diagnosis rate of 94%.
3) Genetic analysis, congenital anomaly test

04. 16~18 weeks of pregnancy (chromosome sorting blood test for fetus)
1) 2nd Integrated Test (QUAD Test): : This test diagnoses 94% of Down syndrome, Edwards syndrome and neural tube defects.
2) Fragile X Syndrome : The syndrome, which diagnoses any mental retardation, learning disabilities, and autism, this is a genetic condition that is inherited or generated as a mutation to be continuously inherited.
05. 21~24 weeks of pregnancy (complete ultrasound)
1) The main organs (the central nervous system, facial region, the heart, abdominal organs, urogenital organs etc.) are all checked for anomalies (more than 80% accurate).
2) The blood streams (uterine artery, umbilical artery, fetal cerebral blood flow) flowing to the fetus are examined.

06. 24~28 weeks of pregnancy (tests for gestational diabetes and anemia)
1) Gestational diabetes : The aim is to make an early detection of and prevent gestational diabetes, which causes an overweight fetus and malformation.
2) Consultation regarding cord blood : Cord blood, which is blood from the umbilical cord and the placenta, may save the lives of family members from incurable diseases such as leukemia.

07. 27~32 weeks of pregnancy (four-dimensional ultrasound)
The fetus is checked for physical abnormalities (fingers, toes, cleft lip etc.) and a solid picture of the fetus baby can be obtained.

08. 31~34 weeks of pregnancy (Non-stress test)
The health of the fetus is checked through changes in the fetal movements as well as the heartbeat.

09. 34~37 weeks of pregnancy (preoperative test or prenatal test)
Tests that are necessary for delivery, such as tests to check the blood, urine, ECG, and lungs, are conducted.

10. 40~42 weeks of pregnancy (Non-stress test)
Since the environment change in the uterus must be checked if the due date has passed, a non-stress test (NST) is carried out to examine fetal heart sounds, determining whether there are uterine contractions, and examining the contraction intervals.

Test Items Details
Routine CBC (12 types) Although iron supplements are taken from an early stage if there is severe anemia, early intake should be avoided since it may exasperate morning sickness.
Iron supplements should be taken at 16~20 weeks if there is no anemia.
ABO Rh type If the patient is positive for Rh, she must have immunoglobin shots after 28 weeks and postpartum.
HBs Ag/Ab If the patient is a carrier of the infection [Ag(+)], the baby must be administered with an immunoglobin shot when it is born.
If the patient does not have antibodies [Ab(-)], she must receive the necessary vaccination after delivery.
Diagnosis of the Hepatitis C virus (HCV) For hepatitis C, there is over a 20% chance that it will develop from acute to chronic.
Urinalysis Various conditions such as albuminuria, diabetes and inflammations can be detected early.
HIV(AIDS) Since there is no exact cure for aids but only the use of antiviral agents, the best way is to prevent HIV in the first place.
Venereal Disease Research Laboratory test (VDRL) If the mother has syphilis, the fetus is also infected through the placenta after 16~18 weeks. Congenital syphilis causes severe fetal abnormalities to the teeth, eyes and bones. It can be treatable if detected during the early stages of pregnancy.
Rubella lgG/lgM If the mother is infected with rubella during pregnancy, an average of 20~30% of cases see the fetus getting infected through the placenta and having severe abnormalities.
Test Items Test Detectable Conditions
Prenatal Intellectual Disability Sorting Test
(Mental Retardation Test)
Before pregnancy Diagnosis of mental retardation, learning disabilities and autism (genetic tests)
Chorionic Test 8~12 weeks Diagnosis of mental retardation, learning disabilities and autism (genetic tests)
Amniotic Fluid Test After 15 weeks Diagnosis of chromosome abnormalities, including Down syndrome, Edwards syndrome, neural tube defects, and abdominal abnormalities
Genetic Analysis Congenital Anomaly Test After 10 weeks Diagnosis of chromosome conditions (Down syndrome, Edwards syndrome, and patau syndrome)

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