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Cervical Os

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Labor and Birth
Labor and Delivery Dictionary - Glosasary of Labor Terms
Cervical Os ...

Cervical os: The opening of the cervix.
Cervical ripening: The process that prepares the cervix for labor, making the cervix soft and thin. Cervical ripening either occurs naturally or can be accomplished artificially using prostaglandins or misoprostol.

Prominent decidual vasculature overlying the internal cervical os: an entity potentially leading to acute life-threatening antepartum hemorrhage.
J Chin Med Assoc, 73(4): 216-8. [Abstract] [Full-text] ...

Type two - where the placenta is partially located in the lower segment and may be near the internal cervical OS. You may experience more bleeding vaginally which will need to be monitored closely as it can affect both of you, however you may still be able to have a vaginal birth.

When the uterus contracts, which it frequently does whether you are pregnant of not (incidentally, you do not feel these contractions), the placenta may appear closer to the internal cervical os than it really is when the uterus is relaxed.

Placenta previa is the abnormal implantation of the placenta over the cervical opening (~). The exact cause of this condition is not understood, but it is more common in women who have had a previous cesarean delivery or previous uterine surgery.

In the best case, the ~ (mouth of the womb) is closed. (A health care provider can determine if the ~ is open by performing a pelvic exam.) Typically, no tissue has been passed from the womb. The womb and fallopian tubes may be tender.

Maintain your abdominal hand over the uterus, using your flattened fingers just above the pubic bone to aid the placenta as it exits the ~ into the vagina.

Vasa Previa is a rare complication in pregnancy where unprotected blood vessels run across the ~. If the blood vessels rupture during labour, or are compressed during birth, consequences for the baby can be rapid and severe.

Any tissue fragments visibly protruding from the ~ can be grasped with a ring or dressing forceps and gently pulled straight out. This simple and safe procedure will have a beneficial effect on the bleeding.
Inevitable Abortion ...

Cesarean section for placenta praevia covering any portion of the ~
Ultrasound examination for vaginal bleeding of undetermined origin ...

A condition in which the placenta (including the marginal veins) partially or completely covers the opening of the cervix (~).

Muscular organ of gestation; consists of a pear-shaped fundus which is the top or uppermost portion,, and a narrower lower portion called the cervix. The cervix resembles a "neck" until the time of birth when it opens into the birth canal (or vagina) to allow passage of the baby. The ~ ...

See also: See also: What is the meaning of Pregnancy, Uterine, Cervix, Uterus, Delivery?

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