The test for pregnancy was positive, and in the woman's head the whirlwind of thoughts and questions rushed at once. One of them – pregnancy term. To understand how future kid develops and when he has to be born, it is very important for future mom.
It is required to you
- - start date of the last menstrual cycle;
- - calendar;
- - ULTRASONOGRAPHY.
Instruction
1. Recollect last weeks and just think when there could be a conception. Sometimes the simple chronological order for specification of term of pregnancy happens enough.
2. Use method of obstetricians. They have the strict system of calculation of terms. On it will also count your interesting situation in clinic for women, and will enter these data in the prenatal record. The obstetric term of pregnancy of the first day of the last periods is considered. At this moment there is a maturing of ova which will be impregnated then by spermatozoa. What, actually, already also happened to yours.
3. Calculate the term of the birth of the child according to the simple scheme: of start date of the last periods count 280 days or 40 weeks forward. It will be approximate date of childbirth. And pregnancy term on weeks to you will be established in hospital according to the same scheme. With the real situation the discrepancy will make about 1-3 weeks.
4. Determine pregnancy term by an ovulation – the period when the ovum is ready to fertilization. This day usually falls on the middle of a menstrual cycle. 28 days / 2 = the 14th day since the beginning of periods. It will be approximate starting date of pregnancy.
5. Ask for the help the gynecologist. At an early stage (up to 8 weeks) it will be able, having examined you on a chair, to establish quite exact term of pregnancy by the uterus sizes, sometimes to within 1 day. On the 4th week the sizes of a uterus correspond to egg size, and on the 8th week – goose. Ask the gynecologist to define the number of weeks of pregnancy by measurement of length of a uterus. The doctor measures it by a special tape, and length in centimeters will correspond to term in weeks.
6. For determination of term of pregnancy register in ultrasonography. The first planned ultrasonography is appointed up to 11 weeks when it is possible to make more exact conclusion. At later stages it is more difficult to make it since all kids develop differently, can have larger or small dimensions.