The way a Viable or Nonviable Pregnancy Is Diagnosed

 

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How a Viable or Nonviable Pregnancy Is Diagnosed Causes of a Nonviable Pregnancy. From a diagnostic perspective, nonviable does not mean a little chance of survival. It Determining Viability. Beyond premature birth, the Society of Radiologists in Ultrasound (SRU) has established a A Word From.

In the early weeks, a non-viable pregnancy could lead to an abortion or a miscarriage. Bleeding and pain are the typical symptoms of a non-viable pregnancy. Further diagnosis via pelvic ultrasonography and serum hCG measurement are performed to confirm it. A non-viable pregnancy could be due to causes. Before the foetal heartbeat is detected, viable could just mean that the pregnancy hormone hCG is rising the way it should.

When there is a foetus in the uterus, and it shows up in ultrasound with a healthy heart rate and normal development, the doctors would call it a viable intrauterine pregnancy. How Is Viable Pregnancy. A pregnancy is diagnosed as nonviable if it meets one of the commonly accepted positivity criteria for that diagnosis, such as the embryonic size at which nonvisualization of a heartbeat on ultrasonography is diagnostic of failed preg These guidelineswere developed to help define the ultrasound diagnosis of a non-viable pregnancy: Crown to rump length of > 6 mm and no heartbeat Mean sac diameter of > 24 mm and no embryo No fetal heartbeat >=2 weeks after a scan showed a gestational sac without a yolk sac No fetal heartbeat > 10. Occasionally in the first trimester, early in pregnancy it is impossible make the diagnosis of a “viable” or a “nonviable” pregnancy clearly enough.

The following guidelines were published to define the ultrasound diagnosis of pregnancy failure: Crown-rump length of > 6 mm and no heartbeat Mean sac. The “viable pregnancy” terminology is generally used when describing an “alive” pregnancy. A viable pregnancy before there`s really a heartbeat (before 6 weeks) might lead the doctor to the assumption that the pregnancy hormone hCG is rising in a normal manner.

Early pregnancy loss is defined as a nonviable, intrauterine pregnancy with either an empty gestational sac or a gestational sac containing an embryo or fetus without fetal heart activity within the first 12 6/7 weeks of gestation 1. In the first trimester, the terms miscarriage, spontaneous abortion, and early. Determining the viability of a pregnancy is a major challenge, especially with a pregnancy of unknown location. This review provides specific guidance, including stringent criteria for nonviability.

This woman was diagnosed with a miscarriage—specifically, a chemical pregnancy. Two weeks later, she learned she was still pregnant. Find out more about how common misdiagnosed miscarriages are.

List of related literature:

A heterotopic pregnancy (coexistence of an intrauterine pregnancy and an ectopic pregnancy) is rare and extremely difficult to diagnose.

“Swanson's Family Medicine Review” by Alfred F. Tallia, Joseph E. Scherger, Nancy Dickey
from Swanson’s Family Medicine Review
by Alfred F. Tallia, Joseph E. Scherger, Nancy Dickey
Elsevier Health Sciences, 2008

The diagnosis of pregnancy is then more difficult and depends on the pathologist’s ability to differentiate degenerating decidual changes (which could result from an ectopic pregnancy) from those of intrauterine implantation sites.

“Pathology of the Human Placenta, 5th Edition” by Kurt Benirschke, Peter Kaufmann, Rebecca N Baergen
from Pathology of the Human Placenta, 5th Edition
by Kurt Benirschke, Peter Kaufmann, Rebecca N Baergen
Springer New York, 2006

The rest will undergo atresia, a degenerative process that occurs regardless of whether a woman is pregnant, has normal menstrual cycles, uses birth control, or is undergoing infertility treatment.

“Textbook of Natural Medicine E-Book” by Joseph E. Pizzorno, Michael T. Murray
from Textbook of Natural Medicine E-Book
by Joseph E. Pizzorno, Michael T. Murray
Elsevier Health Sciences, 2020

More recently, it has been used as a primary treatment in cases where the pregnancy is diagnosed early and tubal rupture has not occurred, or when the pregnancy is not in a common location, such as when the pregnancy occurs in the cornua of the uterus or the cervix.

“Porth's Pathophysiology: Concepts of Altered Health States” by Sheila Grossman
from Porth’s Pathophysiology: Concepts of Altered Health States
by Sheila Grossman
Wolters Kluwer Health, 2013

Making a diagnosis of intrauterine pregnancy based on the identification of a placental implantation site nodule (ISN).

“Diagnostic Gynecologic and Obstetric Pathology E-Book” by Christopher P. Crum, Kenneth R. Lee, Marisa R. Nucci
from Diagnostic Gynecologic and Obstetric Pathology E-Book
by Christopher P. Crum, Kenneth R. Lee, Marisa R. Nucci
Elsevier Health Sciences, 2011

As a result, DNAbased prenatal diagnosis in chorionic villus samples during the first trimester of pregnancy has become available for more and more inherited conditions.152,153 More recently, pre-implantation diagnosis has become possible using in vitro fertilization techniques.

“Pediatric Dermatology E-Book” by Lawrence A. Schachner, Ronald C. Hansen
from Pediatric Dermatology E-Book
by Lawrence A. Schachner, Ronald C. Hansen
Elsevier Health Sciences, 2011

In these cases, the main diagnostic considerations are (1) a currently viable intrauterine pregnancy (IUP), (2) a failed or nonviable IUP (miscarriage), or (3) an ectopic pregnancy.

“Point of Care Ultrasound E-book” by Nilam J Soni, Robert Arntfield, Pierre Kory
from Point of Care Ultrasound E-book
by Nilam J Soni, Robert Arntfield, Pierre Kory
Elsevier Health Sciences, 2019

A viable intrauterine pregnancy is the most common diagnosis.

“Conn's Current Therapy 2020, E-Book” by Rick D. Kellerman, KUSM-W Medical Practice Association, David Rakel
from Conn’s Current Therapy 2020, E-Book
by Rick D. Kellerman, KUSM-W Medical Practice Association, David Rakel
Elsevier Health Sciences, 2019

ETP presents with abnormal uterine bleeding and unilateral pelvic pain, which must be differentially diagnosed from appendicitis, an aborting intrauterine pregnancy, or a bleeding corpus luteum of a normal intrauterine pregnancy.

“Embryology” by Ronald W. Dudek
from Embryology
by Ronald W. Dudek
Wolters Kluwer Health/Lippincott Williams & Wilkins, 2010

The second type of cystic hygroma is diagnosed early in pregnancy.

“Practical Guide to High Risk Pregnancy and Delivery E-Book” by Fernando Arias, Amarnath G Bhide, Arulkumaran S, Kaizad Damania, Shirish N Daftary
from Practical Guide to High Risk Pregnancy and Delivery E-Book
by Fernando Arias, Amarnath G Bhide, et. al.
Elsevier Health Sciences, 2012

Oktay Kutluk

Kutluk Oktay, MD, FACOG is one of the world's foremost experts in fertility preservation as well as ovarian stimulation and in vitro fertilization for infertility treatments. He developed and performed the world's first ovarian transplantation procedures as well as pioneered new ovarian stimulation protocols for embryo and oocyte freezing for breast and endometrial cancer patients.

Mail: [email protected]
Telephone: +1 (877) 492-3666

Biography: https://medicine.yale.edu/profile/kutluk_oktay/
Bibliography: oktay_bibliography

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13 comments

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  • I’m so lucky to have been diagnosed with NCAH months before turning 18,my endocrinologist tested all possible hormones which would have been too expensive had i been over 18. The biggest problem was proving to my mother that something was wrong with me, even though I had the hirsutism symptom she always brushed it off.

  • Why didn’t the first guy tell the first Dr about his leg injury in the first place??

    I could’ve told the lady she might have PCOS. I have a friend who has it and their symptoms are all similar.

    That was an abrupt ending…

  • Dude blasts layers of skin off his leg and thinks he can just pour hydrogen peroxide on it and it’ll be fine. Is this man my father?

  • I wasnt even paying attention, making my bed, and just hearing bits of it and I figured she had pcos. When they said she gained weight I was sure.

  • happy ending is that now she can get pregnant, they gave the adopted baby back to the system and they now have their own 2 kids:P

  • … how was PCOS not considered?! Do you know how common it is? Eleven girls in my English class, four with PCOS. Up to ten percent of women have itnot just the ones who have problems with fertility. They should have checked for it first.

  • When they mentioned Joanes simptoms I imediately thought PCOS and IRS since the simptoms are very alike mine but I did’t think that it would be such a different case

  • “all the juice in that part of the country” I’m trying to imagine how much juice you can actually drink in a few days to drain part of a city

  • Hello sir,
    Now I’m in 5weeks 4day of pregnancy today I got my Transvaginal ultrasound report that shows there’s single intrauterine gestational sac and yolk sac but there is no fetal pole
    Please help me to understand that I’m pregnant or not
    Is there anything to worry
    Please help me

  • I am seeing this comment a lot and I agree. I thought PCOS was a common syndrome? I haven’t got to the bit where that’s what it says she has but I came here to say that’s my guess and realised loads of other people saying the same thing.

  • For the first condition mentioned, I’ve heard pretty bad things over the years about Prednisone. Side effects can be worse than symptoms and cause underlying problems that last years after medication is stopped.
    Would something like Low-Dose Naltrexone maybe work better for something like this? Given the benefits and lack of bad side effects it has, with it’s array of help to the immune system functionality and inflammatory diseases.

  • Hi sir m 6 week pregnant, transabdominal ultrasound report is bulky uterus with gestational sac, no fetal pole, plz guide m m vry upset about it

  • sir i done pregnancy test it was +ve then i went to gyn she done transvaginal ultrasound she said im pregnant..able to see gestational sac and yolk sac is this pregnancy is viable??