Prenatal testing Exams to organize for On Your Third Trimester

 

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Video taken from the channel: University of California Television (UCTV)


 

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One test you should expect during the third trimester is a group B streptococcus (GBS) test. GBS is a common bacterium that is mostly harmless in children and adults. Its cousin, group A streptococcus, is the one that causes strep throat.

In developing fetuses, though, GBS can cause a serious infection. Weeks 28 through 40 mark the third trimester of pregnancy.The big goal now is to carry baby to term. You can expect more frequent prenatal visits, but usually less in the way of lab testing. These tests are common in the third trimester of pregnancy: Group B streptococcus screening: Vaginal and rectal swabs are taken at 35 to 37 weeks of pregnancy to detect. Third trimester testing is useful to ensure a mother and baby’s health.

Learn about 7 common tests performed during the third trimester of pregnancy. These tests include group B strep screening, nonstress test, contraction stress test, and electronic fetal heart monitoring. A biophysical profile is another test offered during the third trimester to check on your baby’s well-being. Like the non-stress test, the most common reason this test is done in a low risk woman is because she is still pregnant past her due date. During the 3rd trimester, you’ll likely have these tests: Glucose testing.

Sometime between weeks 24 and 28, your doctor will test to see if your body is using sugar correctly. STI Tests. During the third trimester, your doctor might also check for sexually transmitted infections (STIs).

Depending on your risk factors, your doctor might test for: chlamydia; HIV; syphilis. Throughout pregnancy, an expectant mother typically undergoes several medical examinations to make sure she and her baby are safe. Some check-ups and tests are essential. Sometimes, the doctor may refer the woman for additional testing to get more information about both mother’s and baby’s. No preparation is required prior to the test.

During the test, the mother is asked to drink a sweet liquid (glucose) and then will have blood drawn one hour from having the drink, as blood glucose levels normally peak within one hour. No fasting is required prior to this test. Most parents agree that prenatal tests offer them peace of mind while helping to prepare them for their baby’s arrival. But it’s your choice to accept or decline a test.

Read on to learn about tests that may be available to you during your third trimester. OB Visit Screenings & Tests.

List of related literature:

Your caregiver will perform some exams and tests at just one prenatal visit and will perform others periodically throughout your pregnancy.

“Pregnancy, Childbirth, and the Newborn: The Complete Guide” by Janet Walley, Penny Simkin, Ann Keppler, Janelle Durham, April Bolding
from Pregnancy, Childbirth, and the Newborn: The Complete Guide
by Janet Walley, Penny Simkin, et. al.
Meadowbrook, 2016

• At each subsequent prenatal visit, the following should be recorded: – Weight – BP – UA for glucose and protein –Fundal height – Fetal heart rate and, in the late 3rd trimester, fetal position – Pelvic/Cervical exam if indicated

“The 5-minute Obstetrics and Gynecology Consult” by Paula J. Adams Hillard, Paula Adams Hillard
from The 5-minute Obstetrics and Gynecology Consult
by Paula J. Adams Hillard, Paula Adams Hillard
Lippincott Williams & Wilkins, 2008

(1) First trimester: Pregnancy-associated protein A (PAPP-A) and free beta hCG (known as the combined test) = screening for trisomy 21; positive if high hCG and low PAPP-A. (2) First trimester: Nuchal translucency and presence/ absence of nasal bone on ultrasound = screening for trisomy 21.

“Gunner Goggles Pediatrics E-Book: Shelf Review” by Hao-Hua Wu, Leo Wang
from Gunner Goggles Pediatrics E-Book: Shelf Review
by Hao-Hua Wu, Leo Wang
Elsevier Health Sciences, 2018

• The first prenatal visit should include a review of the medical and obstetric histories, current medications, allergies, herbal remedies, supplements, and tobacco, alcohol, and drug use.

“Conn's Current Therapy 2019” by Rick D. Kellerman, David Rakel
from Conn’s Current Therapy 2019
by Rick D. Kellerman, David Rakel
Elsevier Health Sciences, 2018

Several routine laboratory tests are performed on the first or the second prenatal visit.

“Introduction to Maternity and Pediatric Nursing E-Book” by Gloria Leifer
from Introduction to Maternity and Pediatric Nursing E-Book
by Gloria Leifer
Elsevier Health Sciences, 2018

■ Both first-trimester screening (nuchal translucency combined with maternal serum PAPP-A/free β-hCG) and second-trimester quadruple screen should be offered to all patients.

“Conn's Current Therapy 2010 E-Book: Expert Consult” by Edward T. Bope, Robert E. Rakel, Rick D. Kellerman
from Conn’s Current Therapy 2010 E-Book: Expert Consult
by Edward T. Bope, Robert E. Rakel, Rick D. Kellerman
Elsevier Health Sciences, 2010

It is done between the 14th and 22nd weeks of pregnancy, typically as part of a maternal serum triple or quadruple screening test (it also includes human chorionic gonadotropin [hCG], unconjugated estriol estrogen, and inhibin A).

“Gunner Goggles Obstetrics and Gynecology E-Book: Shelf Review” by Hao-Hua Wu, Leo Wang
from Gunner Goggles Obstetrics and Gynecology E-Book: Shelf Review
by Hao-Hua Wu, Leo Wang
Elsevier Health Sciences, 2018

Screening markers in the first trimester consist of the ultrasound marker NT and the maternal serum biochemical markers free β-hCG and PAPP-A and these form what has become known as the combined test.

“The Immunoassay Handbook: Theory and Applications of Ligand Binding, ELISA and Related Techniques” by David Wild
from The Immunoassay Handbook: Theory and Applications of Ligand Binding, ELISA and Related Techniques
by David Wild
Elsevier Science, 2013

This combination of maternal age, nuchal translucency, hCG, and PAPP-A is now the standard first trimester screening and is called the “first trimester combined test.”

“Klaus and Fanaroff's Care of the High-Risk Neonate E-Book” by Jonathan M Fanaroff, Avroy A. Fanaroff
from Klaus and Fanaroff’s Care of the High-Risk Neonate E-Book
by Jonathan M Fanaroff, Avroy A. Fanaroff
Elsevier Health Sciences, 2012

first prenatal visit, which is preferably scheduled early in the first trimester.

“Hacker & Moore's Essentials of Obstetrics and Gynecology E-Book” by Neville F. Hacker, Joseph C. Gambone, Calvin J. Hobel
from Hacker & Moore’s Essentials of Obstetrics and Gynecology E-Book
by Neville F. Hacker, Joseph C. Gambone, Calvin J. Hobel
Elsevier Health Sciences, 2009

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 was really bummed when they changed my due date from September 27th to October 6th. Cannot wait to meet this boy! (Also excited to no longer be so uncomfortably pregnant). ����

  • Well this definitely doesn’t cover the Covid restrictions. I am due right before Christmas. Lol! Not going to lie hearing all the “possibilities” to experience made me more prepared, but also more nervous! Of all the bad thats happened in 2020 here’s praying it ends on a good note!��

  • Am in 29 week now n due date Oct 31. Am excited to meet my little angle, boy or girl no idea as in India v cum to know only after birth����. I feel soo tired n heavy now itself.

  • During my 20week I been tired �� but now that I’m 27 weeks and 5 days pregnant my upper back and lower back hurts like hell and it’s harder to sleep On my right side and left side and even my back so I be up all night then sleep during the day.

  • There’s a video where you get a pantyliner and put Aloe Vera on it and put it in your underwear and this is meant to help reduce the risk of ripping in your privates now I’ve no idea if this works or even if it’s hygienic or your doctor might tell you not to do this but if you can do it you might aswell try as I can see how this would work as Aloe Vera helps strengthen and make the skin elasticity and stretchy and it could work and once it won’t do any harm and your doctor/mid-wife says it’s okay to try I don’t see why you shouldn’t try it out if it works how bad at least it’s one less thing to recover from �� but CHECK WITH YOUR DOCTOR/ MID-WIFE BEFORE TRYING!!!

  • My Aunt’s dog can sense I’m pregnant she makes like high pitched whinning noises she never used to my Aunt recons cause dogs sense of small and hearing is ALOT better then ours she can hear the baby or smell that I’m pregnant and because the baby can hear now she’s trying to communicate with the baby but she loves babies my Aunt has four kids and my Aunt’s had her since the first one was little so she’s been around 3 babies and adores them but she started following me around and continuously cuddling up to me haha well cute

  • 21 weeks today! Got 7 more weeks, Corona is very scary right now but praying for all mommas, I pray for healthy pregnancies and babies I pray we all have a healthy journey in these strange times. Let the glowing faces of our heritage soothe us and bring us joy. Amen❤️

  • First pregnancy officially 28 weeks today!!! Almost there hang in there this is my first baby visit my channel for pregnancy updates and more god bless all the mommies of the world! ����

  • Yeah I’m definitely shaving two days before my csection. The trimmers they used last time caused hardcore irritation. Hopefully they won’t use them if there’s no hair or just stubble.

  • 36 weeks today not long now until I see my little girl. Going through all the last trimester pains and also got diagnosed with gestational diabetes at 33 weeks.

  • I’m sorry but the baby size food comparisons are dumb and don’t make any sense. How do you go from a tub of ice cream to a zucchini?
    Stupid

  • Thank you for this amazing video. However, you mentioned that the risk of miscarriage in CVS is 1/500 making it safer than amniocentesis, in my book it says the risk of miscarriage in CVS is 1/100 thus making it riskier than Amniocentesis.

  • There is more info on Tests during the pregnancy in: http://www.geneticsofpregnancy.com/genetic_encyclopedia_sub_content.aspx?id=37. This is a great site with alot of info