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Doctor insights on: Is It Too Late To Have An Amniocentesis In The 3rd Trimester

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Is it too late to have an amniocentesis in the 3rd trimester?

Is it too late to have an amniocentesis in the 3rd trimester?

No: It is easier to do amnio in the third trimester when amniotic fluid is abundant. Uses of third trimester amnio include testing fetal maturity (surfactant, other levels) to time delivery when there are complications (e.g., maternal pre-eclampsia). Use for genetic testing may allow preparation for a severe disorder (e.g., fetal trisomy 18) without options for pregnancy termination. ...Read more

Dr. Monica Popov
334 doctors shared insights

Amniocentesis (Definition)

Amniocentesis is a procedure used to draw a sample of the amniotic fluid that surrounds and cushions the baby in the womb. This fluid contains cells that have been sloughed off of the developing fetus. Amniocentesis is most often used to detect genetic abnormalities, though the results can also reveal the baby's sex, gauge lung maturity (if done close to term), detect amniotic fluid infections, or ...Read more


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Is it normal not to feel movement for a couple of hours late in the 3rd trimester?

Is it normal not to feel movement for a couple of hours late in the 3rd trimester?

Yes: You should feel your baby move every day. Babies have sleep cycles and you may not feel them move while you are sleeping. If it has been more than a couple of hours since you felt your baby move, try eating a snack or drinking juice, often this will make babies more active. If you are still not feeling movement you should call your doctor or the hospital to listen to the baby's heartbeat. ...Read more

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Why am I gaining so little weight in the 3rd trimester?

Why am I gaining so little weight in the 3rd trimester?

Focus on nutrition: Focus on nutrition instead of the scale. Most women will gain weight due to fluid retention but many gain too much from over eating. Are you eating a healthy diet and exercising daily? If so, the lack of weight gain is not important. Your baby appreciates your healthy lifestyle. A pregnant woman only needs about 300 calories more per day in the third trimester. ...Read more

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Is it ok to fly in the 3rd trimester?

Is it ok to fly in the 3rd trimester?

Usually: I allow a pregnant woman to fly until 36 weeks. However if she is having any pregnancy complications such as high blood pressure or premature labor or the baby isn't growing well i strongly recommend against flying. If a woman flies late pregnancy wear support hose or move legs frequently to prevent leg swelling and risk of blood clots. ...Read more

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Is it possible to miscarry in the 3rd trimester?

Is it possible to miscarry in the 3rd trimester?

No: Sort of, but it wouldn't be called a miscarriage. If a fetus were to die in third trimester it would be an intrauterine fetal demise. If it were to deliver alive it would be preterm labor. Miscarriage technically refers to delivery of a fetus prior to 20 weeks. ...Read more

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Is it normal to lose weight in the 3rd trimester?

Is it normal to lose weight in the 3rd trimester?

No: Most women don't lose weight consistently in the third trimester. Some women may gain 2-3 pounds one week and the next week be down 1-2 pounds, this can be very normal. Continued weight loss is more concerning. However, women who are overweight or obese before becoming pregnant may be advised by their doctor to not gain as much weight during pregnancy (maybe only 15 pounds). ...Read more

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What does it mean in ur 3rd trimester with lower backpains?

What does it mean in ur 3rd trimester with lower backpains?

Lightening: As you near the end of pregnancy, the fetus and uterus begin to drop into the pelvis. That frequently results in back, hip, pelvic, and vaginal pain and pressure. ...Read more

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Is it actually unsafe to travel by plane in the 3rd trimester?

Is it actually unsafe to travel by plane in the 3rd trimester?

No: Air travel is not risky for mother or her fetus. However, restrictions are in place to limit the possibility of an unplanned delivery on the plane. Check with your airline regarding the rules. Typically domestic flights <36 weeks; international < 32-35 weeks. You will need documentation from your doctor about your due date. Ask for a wand/pat down to avoid accidental radiation at tsa screening. ...Read more

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Terrible stress in 3rd trimester, how terrible can it affect my baby?

Terrible stress in 3rd trimester, how terrible can it affect my baby?

Not too bad: Stressful feelings are a normal part of pregnancy. They generally should not harm the baby unless you are practicing any unsafe habits to deal with the stress like smoking, drinking or taking drugs/medications that are not cleared by your obstetrician. If the stress becomes severe, talk to your doctor for safe ways to help. Wishing you and your new baby well. ...Read more