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The Daily Insight

What happens when placenta is down during pregnancy?

Author

Emma Newman

Updated on February 20, 2026

Placenta previa, or low-lying placenta, occurs when the placenta covers part or all of the cervix during the last months of pregnancy. This condition can cause severe bleeding before or during labor. The placenta develops in a woman's uterus during pregnancy.

Also asked, can low lying placenta cause miscarriage?

Some women have a low-lying placenta in early pregnancy, however. Placenta previa becomes a more serious condition in the second or third trimesters. It can result in heavy vaginal bleeding. If left untreated, placenta previa can lead to bleeding heavily enough to cause maternal shock or even death.

Beside above, is placenta previa harmful to the baby? Placenta previa happens in about 1 in 200 pregnancies. If you have placenta previa early in pregnancy, it usually isn't a problem. However, it can cause serious bleeding and other complications later in pregnancy. This can cause severe bleeding during labor and birth, putting you and your baby in danger.

Secondly, what causes low placenta?

In many cases the cause of placenta praevia is unknown but the following risk factors are associated with the condition:

  • Maternal age: it is more common in women who are over 40 years.
  • Previous caesarean section (the risk increases slightly with each one)
  • IVF.
  • Previous placenta praevia.
  • Multiple pregnancies.
  • Smoking.

Can I Walk With low lying placenta?

However, should the woman develop placenta previa, a complication where a low-lying placenta covers part or all of the cervix, then exercise is off limits. Exercise is generally safe during pregnancy, although it can involve positions and movements that may be uncomfortable or tiring for pregnant women.

Related Question Answers

In which week placenta moves up?

They're usually spotted on your routine 20-week ultrasound. As the uterus grows upwards, the placenta is likely to move away from the cervix. Your midwife will check for this during an extra scan at 32 weeks . If that scan finds your placenta is still low lying, you'll have another scan at 36 weeks .

How should you sleep with low lying placenta?

Sleeping on your left side will increase the amount of blood and nutrients that reach the placenta and your baby. Keep your legs and knees bent, and put a pillow between your legs. If you find that you are having problems with back pain, use the “SOS” position, and try placing a pillow under your abdomen as well.

Is placenta previa high risk?

If you have placenta previa, when the cervix begins to efface (thin out) and dilate (open up) for labor, blood vessels connecting the placenta to the uterus may tear. This can cause severe bleeding during labor and birth, putting you and your baby in danger.

Can I travel with placenta previa?

"But common sense dictates that women with complicated pregnancies involving twins, hypertensive disease, severe nausea, placenta previa, preterm labor, and other pregnancy-related complications should not fly." Most airlines do allow pregnant women to fly until about a month before their due dates.

Is carrying low during pregnancy normal?

Carrying low can be uncomfortable. Some expectant moms are built to carry low. In a second or third pregnancy and the muscles and ligaments that support the growing womb are a stretched and weakened, and can't hold up the growing womb as well as before.

Can your placenta move?

When the placenta forms in that case, it grows on the front (or anterior) side of your uterus, with the baby behind it. But again, because the placenta generally migrates around in the uterus quite a bit during pregnancy, a low-lying placenta very often moves into the upper part of the uterus by your due date.

How common is a low lying placenta at 20 weeks?

Many women (about 1 in 20) will be told their placenta is 'low' at 20 weeks, but as the uterus stretches with the growing baby, the distance between the lowest edge of the placenta and the cervix will increase, so that the placenta is clear of the cervix and a vaginal birth is perfectly safe.

What color is the blood from placenta abruption?

The most common symptom of placental abruption is dark red vaginal bleeding with pain during the third trimester of pregnancy.

Does low lying placenta affect baby growth?

Low-lying placenta As your pregnancy progresses, your womb expands and this affects the placenta's position. If the placenta is still low in your womb, there's a higher chance that you could bleed during your pregnancy or during your baby's birth. This bleeding can be very heavy and put you and your baby at risk.

How does placenta move up?

As a uterus grows the bottom portion of the uterine wall stretches and, as a result, the blood supply at the bottom of the uterus thins. End result: the placenta moves up and away from the cervix.

How can I increase my placenta during pregnancy?

This includes lots of iron-rich foods as the baby absorbs large amounts of iron from the maternal blood. Consuming nutrient-rich calories and iron rich foods will help to sustain a healthy placenta and prevent conditions such as iron-deficiency anaemia. Here are 5 good foods to eat for a healthy placenta

What does it mean when your placenta is low at 20 weeks?

A low-lying placenta is often diagnosed on ultrasound scan before 20 weeks. As the baby grows, the placenta is carried upwards. A low-lying placenta after 20 weeks of pregnancy can be very serious as there is a risk of severe bleeding and this may threaten the health and life of the mother and baby.

How do you deal with placenta previa?

Treatment of placenta previa involves bed rest and limitation of activity. Tocolytic medications, intravenous fluids, and blood transfusions may be required depending upon the severity of the condition. A Cesarean delivery is required for complete placenta previa.

Does bed rest help placenta previa?

For cases of placenta previa with minimal or no bleeding, your doctor will likely suggest bed rest. This means resting in bed as much as possible, and only standing and sitting when absolutely necessary. If bleeding occurs during this time, you should seek medical care as soon as possible.

Can you have another baby after placenta previa?

If you've had placenta previa in a past pregnancy, you have a 2 to 3 in 100 (2 to 3 percent) chance of having it again.

Can I have a natural birth with placenta previa?

Labor and delivery About 75 percent of women with placenta previa in the third trimester deliver via C-section before labor starts. Although women with a marginal previa can sometimes have a vaginal delivery, nearly all partial and complete placenta previas require a cesarean to avoid severe, life-threatening bleeding.

Can placenta move up after 28 weeks?

In 90% of cases, the placenta moves upwards as the womb grows. For some women, however, the placenta continues to lie in the lower part of the uterus after 20 weeks. This affects 1 in 200 births.

Can placenta previa correct itself after 20 weeks?

More than 90 percent of the time, placenta previa diagnosed in the second trimester corrects itself by term. Your doctor will probably recommend another ultrasound at about 28 weeks, though, to make sure the placenta has moved away from the cervix.