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Topic: First trimester


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In the News (Mon 6 Oct 08)

  
  First Trimester - Pregnancy Week One to Twelve
This is the time where your fetus is most at risk for exposure to toxic substances that may impede development or cause birth defects in your baby, so it is very important you seek healthcare advice as soon as you discover you are pregnant.
The first trimester begins from the end of your last menstrual cycle.
During the first trimester you should decide whether you want to see an obstetrician/gynecologist or traditional medical doctor or a nurse midwife to deliver your body and care for you during your pregnancy.
www.maternityandbabyshoppingmart.com /first.htm   (613 words)

  
  Child Health Library - Pregnancy and Childbirth - The First Trimester
It is during this first trimester that the fetus is most susceptible to damage from substances such as alcohol, drugs, certain medications, and illnesses such as rubella (German measles).
During the first trimester, both the mother's body and the fetus are changing rapidly.
The embryo develops rapidly and by the end of the first trimester it becomes a fetus that is fully formed, weighing approximately 1/2 to one ounce and measuring, on average, three to four inches in length.
www.chp.edu /greystone/pregnant/first.php   (1460 words)

  
 Human Reproduction, Lectures: Clinical Radiology
However, the first trimester is also an emotion-charged time because this period is fraught with a high failure and complication rate.
The first IRP values are approximately two times those of the 2 IS. It is important to be familiar with the preparation being used at your hospital.
An important use of serum HCG levels in the first trimester concerns the discrimination between a normal intrauterine pregnancy and an abnormal pregnancy that may be ectopic.
library.med.utah.edu /kw/human_reprod/lectures/clin_radiology   (1784 words)

  
 Johns Hopkins Prenatal Diagnosis & Treatment Center - First Trimester Nuchal Translucency Screening Patient ...
First trimester screening is not a diagnostic test, which means it cannot tell you whether your baby has Down syndrome, trisomy 13, or trisomy 18.
The first trimester screen’s detection rate is about 78% for pregnancies in which the baby has Down syndrome, and is somewhat higher for pregnancies with trisomy 13 or trisomy 18.
Like the first trimester screening, results from a second trimester "triple screen" or "quad screen" can be used to statistically adjust a women's age-related risk for Down syndrome and trisomy 18 (not trisomy 13).
womenshealth.jhmi.edu /ob-ultrasound/patients/nt_info.html   (1133 words)

  
 First Trimester Screening
First Trimester Screening is an earlier non-invasive way for women to screen for Down syndrome during pregnancy.
Through the combination of a special ultrasound examination and a simple blood test, First Trimester Screening identifies pregnancies that have an increased risk of having a baby with certain chromosome abnormalities, such as Down syndrome, during the first trimester of pregnancy.
In addition, pregnancy termination is generally safer in the first trimester of pregnancy, should this be an option for the couple.
www.reproductivegenetics.com /first_trimester.html   (713 words)

  
 First Trimester Screening
The first trimester screening program at The San Diego Perinatal Center is designed to  screen for Down Syndrome and Trisomy 18 in early pregnancy.
First trimester screening is performed between the 11 and 14 weeks of pregnancy.
Even if a patient chooses to have first trimester screening performed, she will still be offered XAFP testing by her doctor at the appropriate time.
www.childrensspecialists.com /body.cfm?id=733   (886 words)

  
 First Trimester
The first trimester lasts 12 weeks, the second from 13 to the end of 27 weeks, and the third from 28 to 40 weeks.
The first trimester is a time of profound changes inside your body, and you'll experience these changes in your own unique way.
For the first eight weeks your developing baby is called an "embryo." The heart, lungs, and brain begin to develop and the tiny heart beats by the 25th day.
www.netwellness.org /healthtopics/pregnancy/faq6.cfm   (2919 words)

  
 First Trimester Screening
First trimester screening is a combination of fetal ultrasound and maternal blood testing performed during the first trimester of pregnancy, usually between 10 and 14 weeks.
If first trimester screening is abnormal, additional testing such as chorionic villus sampling, amniocentesis, or other ultrasound procedures may be necessary for accurate diagnosis.
First trimester screening is not 100 percent accurate.
www.muschealth.com /gs/healthtopic.aspx?action=showpage&pageid=P08568   (335 words)

  
 First Trimester   (Site not responding. Last check: 2007-11-02)
During this phase of pregnancy, you are considered to be in your first trimester.
During the first trimester all of the baby's functioning organs are formed and by the 12th week looks very human like.
You are nearing the end of your first trimester which means your chances for a miscarriage are much less now than in the beginning of your pregnancy.
www.yourpregnancyplace.com /page2.htm   (1330 words)

  
 Your Pregnancy -- First Trimester
During your first trimester, you might experience frequent nausea, with or without vomiting, which is often called morning sickness.
By about the sixth week, you should have your first visit with your healthcare provider, at which time he or she will prescribe prenatal vitamins, ask about your medical history, and discuss with you what you can expect in the coming months.
As your doctor will remind you, during the first trimester it is very important that you focus on a healthy lifestyle, particularly in terms of your nutrition, exercise, and rest.
www.yourpregnancybook.com /trimester1.asp   (216 words)

  
 Trimester - Wikipedia, the free encyclopedia
Trimesters divide the human gestation period into three periods of three months.
The first trimester is the period of time from the first day of the last menstrual period through 12 weeks of gestation.
The second trimester is the period of time extending from the 13th to the 27th week of gestation.
en.wikipedia.org /wiki/First_trimester   (376 words)

  
 GeneCare Medical Genetics Center | EARLYSCREEN First Trimester Screening
First Trimester Screening (with or without NT Measurement) has a DS Screen Positive Rate (SPR) of less than 2-5%, compared to the triple screen's 7.6% more than a 50% reduction in screen positives, which allows for fewer unnecessarily anxious women, reduced medical time and cost, and fewer diagnostic amniocenteses and CVS's.
First Trimester Screening improves the Yield to 1 in 25 (without NT measurement) or to 1 in 17 (with NT measurement), the highest of any prenatal screening test.
First trimester screening is not a substitute for second trimester AFP screening for ONTDs.
www.genecare.com /102/id/EARLYSCREENFirstTrimesterScreening   (3409 words)

  
 Yoga and Pregnancy for Your First Trimester | Prenatal Yoga Poses
Yoga and pregnancy works great for the first trimester of pregnancy, as it is an exciting as well as a scary time and also with major changes to your body.
Though you have not moved out in public with your pregnancy yet, you ought to have a confidential discussion with your yoga instructor, informing her of your pregnancy and encourage her to be cautious until you are ready to announce the impending birth at your own time.
In this first trimester, if you have morning sickness then your body is trying to inform you to relax and take it easy.
www.onlineyogaguide.com /yoga-and-pregnancy-first-trimester.html   (800 words)

  
 Pregnancy : THE FIRST TRIMESTER   (Site not responding. Last check: 2007-11-02)
Some ladies keep having their periods for the first 3 months of pregnancy, but the amount and duration of bleeding is much less than their normal period.
The first three months of your pregnancy are the most crucial, as various organ systems of the baby are taking shapes Any influence at this stage is likely to cause damage.
Most of these are during the first three months of pregnancy, and most of the time the cause is a defective fetus which the body wants to get rid of.
indiangyan.com /books/childcarebooks/pragenany/first_trimester.shtml   (4138 words)

  
 First Trimester Prenatal Screening   (Site not responding. Last check: 2007-11-02)
In 2004, first trimester screening for Down syndrome and trisomy 18 emerged, providing patients with a variety of screening options.
First trimester screening is performed between 11-13 weeks of pregnancy, and involves both an ultrasound and a blood test.
Second trimester screening is performed between 15-21 weeks of pregnancy.
www.muschealth.com /women/firsttrimester.htm   (891 words)

  
 Your First Trimester
Pregnancy is measured in trimesters from the first day of your last menstrual period (LMP), totaling 40 weeks.
The first trimester of pregnancy ends 13 weeks, or about 3 months, after the start of your LMP.
Your first prenatal visit will be between the eighth and tenth week of your pregnancy.
www.pamf.org /pregnancy/first/index.html   (1037 words)

  
 Free Information on What to Expect - First Trimester Pregnancy
During the first trimester, or the first 12 weeks of pregnancy, your body is undergoing huge changes.
These are all extremely common symptoms of the first trimester of pregnancy and, on the whole, should be no cause for alarm.
By the end of the first trimester your baby will have developed almost all of his/her vital tissues and organs, and several of these- including the heart, liver and kidneys- have begun to function.
www.naturaleco.com /knowledge-base/first-trimester-pregnancy.shtml   (1192 words)

  
 Prenatal Massage During the First Trimester | massagetoday.com
Among some of the myths and old wives' tales surrounding prenatal massage is the misguided belief that massage should be avoided during the first trimester.
It's fair to say that under the skilled hands of a certified prenatal practitioner, massage during the first trimester is not only safe, but can be especially supportive during the transitional first months.
Nearly 85 percent to 90 percent of pregnant women experience morning sickness and nausea in early pregnancy; for 10 percent of them, the problem persists beyond the first trimester.
www.massagetoday.com /archives/2006/01/11.html   (668 words)

  
 First trimester pregnancy
First trimester pregnancy is the early stage of pregnancy from conception to 12 weeks gestation, or about 14 weeks from the first day of the last normal menstrual period (LNMP).
Prenatal visits are typically scheduled every 4 weeks during the first 32 weeks of gestation, every 2 weeks from 32 to 36 weeks gestation, and weekly from 36 weeks to delivery.
Approximately 10% of known pregnancies terminate by spontaneous abortion (miscarriage) -- usually during the first trimester.
www.renhealthcare.org /adam/ency/article/000887.html   (1209 words)

  
 Healthopedia.com - First Trimester of Pregnancy (Early Prenatal Period, Pregnancy, First Trimester)
The first trimester of pregnancy lies between weeks 0 to 13.
During the first trimester, growth and development in mother and fetus cause many changes to occur.
By the end of the first trimester, the fetus is about 4 inches long and weighs just a bit more than 1 ounce.
www.healthopedia.com /first-trimester-pregnancy   (572 words)

  
 Your First Trimester -- Testing and Exams
In the first trimester, an ultrasound may be used to determine the size (age) and location of the embryo.
Ultrasound uses sound waves to produce an ultrasound "picture." In the first trimester, it is performed using an instrument placed on the vagina.
CVS or amniocentesis (second trimester test) is encouraged for mothers over 35 years old and those with certain family histories or prior reproductive problems.
www.pamf.org /pregnancy/first/prenatal.html   (325 words)

  
 BabyNature Pregnancy Information: All About the First Trimester
During the first trimester, or the first 12 weeks of pregnancy, your body is undergoing huge changes.
These are all extremely common symptoms of the first trimester of pregnancy and, on the whole, should be no cause for alarm.
By the end of the first trimester your baby has developed almost all of his/her vital tissues and organs, and several of these - including the heart, liver and kidneys - have begun to function.
www.feelgoodcounseling.com /BabyNature/First_Trimester.htm   (991 words)

  
 Healthy Pregnancy - Pregnancy - Trimester Essentials - The First Trimester
For some women, the nausea of the first trimester is so severe that they become malnourished and dehydrated.
During the first trimester, it is normal to gain only a small amount of weight, about one pound per month.
By the end of the first trimester, your baby is about three inches long and weighs about half an ounce.
www.4woman.gov /pregnancy/pregnancy/1st.cfm   (1269 words)

  
 First Trimester Wins Endorsement for Down's Screening - CME Teaching Brief® - MedPage Today
Advise patients interested in first trimester Down's screening that this screening protocol, while highly effective when incorporating measurement of nuchal translucency, is not universally available.
Explain that screening techniques that combine first and second trimester measurements may have an even higher detection rate.
The women also had second-trimester quadruple screening, defined as measurement of alpha-fetoprotein, total human chorionic gonadotropin (hCG), unconjugated estriol, and inhibin A. The authors wrote that using both nuchal translucency and serum markers in the first trimester is more effective in screening for Down's syndrome than using either alone.
www.medpagetoday.com /OBGYN/Pregnancy/tb/2107   (515 words)

  
 NGC - NGC Summary
First trimester vaginal bleeding is very common, occurring in approximately 25% of patients who are known to be pregnant.
Although not universally accepted, many sonologists also recommend a second trimester sonographic examination to screen for abnormalities that were unsuspected during the first trimester.
The role of Doppler ultrasound for evaluating patients with first trimester bleeding remains unclear.
www.guideline.gov /summary/summary.aspx?doc_id=8318   (2063 words)

  
 Pregnancy Stages | First Trimester
The first stage of pregnancy, also referred to as the first trimester, is often a mixture of the best and worst feelings of pregnancy; The early symptoms as your body adjusts to the influx of hormones and other changes, as well as the joy of discovering that you are pregnant.
The first trimester often brings about the first signs and symptoms of pregnancy, including the dreaded morning sickness.
The first of the pregnancy stages, or the first trimester is very important to both you and the baby which is growing and developing inside you, and will require many adjustments to your life style.
www.pregnancy-calendars.net /pregnancy-stages.html   (399 words)

  
 First Trimester-Pregnancy information   (Site not responding. Last check: 2007-11-02)
This trimester is unusual because you will probably not know you are pregnant until you are at least 4 weeks along and well on your way through the first trimester.
However, it is normal to gain only one pound per month in the first trimester, so you may not notice too many changes to your body shape and size during this trimester.
Baby begins this trimester as one sperm and an egg and ends the trimester as an approximately three inch long baby with several functioning organs.
www.mamasark.com /firsttrimester.htm   (475 words)

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