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Pregnancy Calculator

  1. Calculation of the obstetric term of pregnancy, approximate date of delivery, fetal height and weight, and other parameters More about study.
  2. Fill in the analysis table, and Kiberis itself will calculate all the indicators and draw conclusions.
  3. What you entered is automatically used in , and then when .
  4. By starting to use the service, you agree to the user agreement. The service does not replace a visit to the doctor!
'Pregnancy calculation' 'Assessment of weight gain during pregnancy' Clinics and prices Learn more
Pregnancy calculation (2)
Counting by:
Date of menstruation or conception: ⓘ✘Date of last menstrual period or date of conception.
Menstrual cycle length days в норме
Gestational age ⓘ✘Obstetric gestational age, which is counted from last menstrual period. weeks
Assessment of weight gain during pregnancy (1)
Height ⓘ✘Cm. Norm «161.9-191.2» for a given gender and age. cm.
Weight ⓘ✘Patient's initial weight before pregnancy or in first month. kg.
Weight gain ⓘ✘Weight gain in pregnant woman from beginning of pregnancy. Normal values ​​depend on week of pregnancy. kg

Table of the course of pregnancy by weeks before delivery

Date Description

First trimester

2 - 6 week

 Most pregnancy tests start working from the third week after conception (a month after the start of the last menstruation). Although there are earlier tests showing pregnancy from the 10th day.
Possible toxicosis

6 - 7 week

 A woman may have the first signs of toxicosis.
Registration in a women's clinic

7 - 10 week

When registering:

Mandatory tests and doctors:
  1. Obstetrician (measurement of the size of the pelvis, weight and height., blood pressure, abdominal size);
  2. Мазок из влагалища, шейки матки, уретры на флору and cytology;
  3. nasal swab for Staphylococcus aureus;
  4. analysis of feces for helminth eggs;
  5. general test blood and urine
  6. HCG Blood Test - analysis of the level of hormones necessary to maintain pregnancy;
  7. Blood test to determine the blood type and Rh factor;
  8. Blood test for HIV, syphilis, hepatitis;
  9. Biochemical blood test to determine the level of sugar in the blood;
  10. Blood clotting test - Coagulogram
  11. Visit to a therapist, optometrist, ENT doctor, dentist.
If necessary:
  1. Seeding from the vagina - if you suspect the presence of sexually transmitted diseases;
  2. Visit to endocrinologist and other narrow specialists-according to the indications;
The main bodies are formed

10 - 13 week
  1. First routine ultrasound - assessment of fetal growth and development, exclusion of malformations and chromosomal pathologies (risk assessment Down syndrome and Edwards syndrome)
  2. Blood test from a vein - «a double test» in order to determine the risk of chromosomal pathologies and fetal developmental defects.

Second trimester
Beginning of the second trimester

13 - 16 week
Mandatory tests:
  1. General analysis blood and urine
  2. Blood test for antibodies to rubella, toxoplasma, herpes, cytomegalovirus (CMV) (if still not passed)
If necessary:
  1. Urinalysis according to Nechiporenko for accurate detection of possible diseases of the urinary system, if the general urinalysis showed any violations
  2. Coagulogram to detect the level of Lupus anticoagulant - antibody to phospholipids
  3. Antibodies to the Rh factor in case of non-compatibility
  4. HCG Blood Test

16 - 18 week
  1. General analysis blood and urine;
  2. «Triple Test» - Blood test for AFP (alpha-fetoprotein level) , hCG, for free estriol level-identification of the risk of fetal pathologies (Down syndrome screening)
Repeat-bearing women begin to feel the movements of the child

18 - 19 week
  1. General analysis urine.
  2. Visit to obstetrician (measurement of weight, blood pressure, and abdominal size).
First-time women begin to feel the movements of the child
Week 2
  1. General analysis urine.
  2. Visit to obstetrician (measurement of weight, blood pressure, and abdominal size).

19 - 22 week
  1. General analysis blood and urine.
  2. Second routine ultrasound - оценка роста и развития плода, состояния плаценты, околоплодных вод, выявления угрозы прерывания беременности, исключение пороков развития и хромосомных патологий

22 - 24 week
  1. General analysis blood and urine.
  2. Visit to obstetrician (measurement of weight, blood pressure, and abdominal size).
Week 24.

24 - 26 week
  1. General analysis urine.
If necessary:
  1. Placental blood flow Dopplerography is - study of the placental blood flow to exclude the risk of developing placental insufficiency.
Glucose Tolerance Test

26 - 28 week
Mandatory tests:
  1. General analysis blood and urine
  2. Visit to obstetrician (measurement of weight, blood pressure, and abdominal size).
If necessary, at the discretion of the doctor:
  1. Blood test for glucose tolerance test Sullivan test) - exclusion of gestational (sugar) diabetes

Third trimester
Beginning of the third trimester

28 - 30 week
Mandatory tests:
  1. General analysis blood and urine
  2. Blood test for antibodies the presence of a negative Rh factor
  3. Visit to obstetrician (measurement of weight, blood pressure, and abdominal size).
If necessary, at the discretion of the doctor:
  1. Blood test for iron levels - exception anemia
From this week's visit obstetrician - weekly or every 10 days

30 - 32 week
Mandatory tests:
  1. General analysis urine (before each appointment);
  2. Blood test for hemosindrome (coagulogram) - свертываемость крови;
  3. Visit to obstetrician (measurement of weight, blood pressure, and abdominal size).
If necessary, at the discretion of the doctor:
  1. Visit to optometrist - with myopia;
  2. Visit to ENT doctor - with the development of a long-term runny nose-rhinitis of a pregnant woman;

32 - 34 week
  1. General analysis urine (before each appointment).
  2. Visit to obstetrician (measurement of weight, blood pressure, and abdominal size).
  3. The third scheduled ultrasound - determination of the condition of the fetus and placenta, the correspondence of the size of the fetus to the term of pregnancy, the heartbeat and respiratory movements of the fetus, amniotic fluid.

34 - 36 week
  1. General analysis blood and urine
  2. Visit to obstetrician (measurement of weight, blood pressure, and abdominal size).
  3. Breast CT scan - кардиотокографическое исследование — выявление риска гипоксии - кислородной недостаточности у плода

36 - 38 week
  1. General analysis urine
  2. Visit to obstetrician (measurement of weight, blood pressure, and abdominal size).
  3. Blood test for syphilis, hepatitis
  4. Vaginal smear on flora
The doctor issues an exchange card

38 - week
  1. At this point, the pregnancy is considered full-term
  2. General analysis blood and urine
  3. Visit to obstetrician (measurement of weight, blood pressure, and abdominal size).
Estimated date of birth
  • Specify the date of your last period or conception


Clinics for research

Category - medicine

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