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The first and second weeks of pregnancy are very conventional concepts. Remember the difference between obstetric and fetal pregnancy. What do these terms mean?
The obstetric gestation period is counted from the day the last menstrual period began. That is, in the first week of obstetric pregnancy, the expectant mother is not actually pregnant yet, conception can occur in about two weeks, when the egg is ready and ovulation occurs (the release of the egg from the ovary for fertilization).
The embryonic term of pregnancy is determined by obstetricians on an ultrasound scan by the size of the ovum and differs from the obstetric term by just these two to three weeks. This is the actual pregnancy period of the expectant mother.
Most often, doctors use the countdown from the first day of the last menstruation. When the expectant mother will be called the term of her pregnancy in weeks, this will be the term of the obstetric pregnancy. It's much more convenient that way. After all, the time of ovulation in different women may differ, and the date of the last menstruation is difficult to confuse.
So, your baby is not yet in the first week of obstetric pregnancy. He will only be conceived in 1-3 weeks, depending on the cycle of the expectant mother. The estimated date of delivery is determined by the formula: 1 day of the last menstruation + 14 days (from the first day of the last menstruation to ovulation) + 266 days (38 weeks is the average duration of pregnancy from the moment of conception).
Precisely because the timing of ovulation is different in each case, the actual date of delivery may differ in one direction or another by 2 weeks. Someone will give birth at 38 obstetric weeks, someone at 42, all this will be considered normal. On the planned date of birth, only one woman in 20 gives birth.
For those who are planning their pregnancy, we remind you of the simplest rules.
1) Expectant mom and dad should quit bad habits, if they have not done so yet. Do not smoke or drink. Alcohol can have a very negative effect on your baby's later intrauterine development. To conceive a child drunk means to put his health and the health of the expectant mother at great risk. The drug situation is even more serious. In no case and can never be justified taking drugs during conception and pregnancy. The risk of fetal defects increases hundreds of times compared to the effects of alcohol and smoking. Among the most common consequences of parents' drug addiction are congenital malformations of the cardiovascular activity of the unborn child, mental retardation, premature separation of the placenta from the fetus, stillbirth or miscarriage at any stage of pregnancy.
2) Try to keep yourself in good physical shape, do not overwork, go through a general examination with a doctor in advance. It will be great if three to four months before the planned conception, both parents get the rubella vaccine. Treat diseases that you may have, especially if they need to be treated with antibiotics or other medications that are not recommended for pregnant women, and also have x-rays. The expectant mother should pay attention to the back (spine), blood vessels (varicose veins), breasts (mastitis), diseases of the reproductive system, since it is these parts of the body that will undergo the greatest stress in the next 40 weeks. It is best to visit doctors and go through all the procedures before conception, since then you may not have enough time or strength.
3) An expectant mother can start taking prenatal vitamins, even though she is not pregnant yet. 4 mg of folic acid per day will help prepare your body for future conception, and preparations such as Prenatal or Materna are also good.
4) The hormonal contraceptive pill should have been stopped two to three months before the intended conception. If you have not done this, it may be worth postponing conception in this particular month, since such pills are dangerous for the fetus. You can use condoms for protection.
5) Once again, analyze your life schedule for the next 9 months. If you work in hazardous industries associated with chemistry, radiation, infections, or in such a position where stress is frequent or too much physical activity, you should consider for yourself whether you can work if you become pregnant. It should be borne in mind that miscarriages in the early stages of pregnancy (4-8 weeks) are too common and every effort should be made so that your work does not aggravate the situation.
6) Review the power menu. Introduce more healthy foods, herbs, vegetables, fruits into your diet. Limit coffee and tea, exclude drinks like Coca-Cola, gradually switch to kefir, green tea and freshly squeezed juices (especially useful are carrot and green (not red!) Apples).
7) Be careful with your pets. No matter how attached you are to your animal, you need to understand that it can be contagious. For example, many cats are infected with Toxoplasma, and this microbe, if it gets inside the mother, can cause genetic defects in the unborn child. The vast majority of animals that are often outdoors are infected with worms. Take your pet to the vet. It costs nothing to cure them now, it is much easier than to treat the expectant mother and her child later.
8) The main thing is that both parents should try to get only good emotions. Walk more, read, watch good movies, just be next to each other. Soon you will become participants and creators of the most real miracle. Your baby is already preparing to appear in this world - call him, invite him to come to you, and he will definitely hear you.
Conception - 1 week - 2 weeks