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| B | Back labour is when the pain of the delivery is experienced in the lower back area.
Beta – adrenergics are substances, which interfere with transmission of stimuli. These substances work by affecting the autonomic nervous system. In pregnant women they may be applied with the aim to stop premature delivery.
Bilirubin is the term, which is used to describe a breakdown product or pigment, formed in the liver from hemoglobin during the process of the red blood cells’ destruction.
Biophysical profile is one of the methods of evaluating a fetus before arrival.
Biopsy is the procedure of removal of a small part of tissue with the aim to conduct some tests and / or investigations with the help of a microscopic study.
Birthing center is any facility, where a woman labors, delivers her baby and then recovers in the same room. It may either be a part of some hospital or a freestanding independent unit.
Birth control is called the application of any practices, methods and / or devices with the aim to prevent an unplanned pregnancy from occurring in a sexually active woman. Birth control methods are designed with the aim to prevent the fertilization of an egg or the implantation of a fertilized egg into the uterus. The terms family planning, pregnancy prevention, fertility control, contraception are also applied.
Blastomere is one of the cells, into which an egg gets divided after the process of fertilization took place.
Bloody show is some amount of vaginal bleeding, which occurs during the late pregnancy term, as a rule it precedes delivery.
Braxton – Hicks contractions are called possible painless irregular tightening of the uterus during the period of pregnancy.
Breech presentation is a term, which describes some abnormal position of the fetus. In this case either legs or even buttocks may come into the birth canal ahead instead of the head.
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