birth canal


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Related to birth canal: placenta

birth canal

[′bərth kə′nal]
(anatomy)
The channel in mammals through which the fetus is expelled during parturition; consists of the cervix, vagina, and vulva.
References in periodicals archive ?
It's healthier for both the cow and calf if you can assist the cow before she is fatigued and the calf compromised by being in the birth canal too long.
Instead he recorded that Megan died before birth as a result of a common condition called velamentous insertion of the umbilical cord which caused key veins to be squashed in the narrow birth canal, depriving the brain of blood and oxygen.
Women will wear a small ring that releases antiretroviral drugs in to the birth canal, blocking HIV transmission for one month.
The logic behind this idea is that these babies, because they do not pass through the birth canal, are not exposed to maternal vaginal and perineal bacteria.
A baby is usually first exposed to immune-boosting bacteria in the birth canal, but the rise in Caesarean births and a decline in breast-feeding leaves them with a poorly-developed immune system which is compounded by parents keeping their children in a "sterile bubble" of anti-bacterial wipes, sprays and antibiotics.
After being told that her baby was stuck in her birth canal and an emergency cesarean section was performed, she asked her doctor, "What did they do in that situation before there were cesareans?
During the start of second stage you will have an immense urge to push and with each push the baby moves lower in the birth canal.
She said: "The first three came along without any problem but the fourth got stuck in the birth canal and at one point we thought she'd have to have a caesarean.
It was as if she was seeing her face like some lost familiar, as if she was pressing herself down the birth canal and letting Marianna hold up the mirror.
It is a hole between the birth canal and one or more of a woman's internal organs, usually the bladder and/or the rectum.
In a courtroom exchange straight out of ``Law & Order,'' we learn about what partial-birth abortion entails (partially delivering a baby, feet first, then, while her head remains in the birth canal, puncturing her skull and suctioning out her brain), and we're invited to consider the effects of all abortion on mother and child alike.
If you have a small pelvis or narrow birth canal, then you will probably need another Caesarean.