Top
10
Doctor insights on: Does Placenta Previa Cause Preterm Labor

Share
1

1
Diagnosed with partial/marginal placenta previa (25 wks). Precautions? Worried about preterm labor, placenta has not moved up since 17 wk scan.

Diagnosed with partial/marginal placenta previa (25 wks). Precautions? Worried about preterm labor, placenta has not moved up since 17 wk scan.

Try to relax!: It's still fairly early to be worried. Most patients with marginal placentas deliver vaginally without incident. If this is your first pregnancy your lower uterine segment will not soften until fairly close to term so the placenta may appear to be low until fairly late. As long as there isn't significant vaginal bleeding you shouldn't worry. ...Read more

See 1 more doctor answer
Dr. Payam Mehranpour
142 doctors shared insights

Placenta Blocks Cervix (Definition)

A previa is when a placenta entirely covers the opening of the cervix into the uterus (internal os). It is a reason for a cesarean section and if bleeding occurs and stops it may be a ...Read more


2

2
How does placenta previa cause preterm delivery?

How does placenta previa cause preterm delivery?

Bleeding and Cntrxns: Previa: Placenta overlies the cervix/birth canal. Gr 1 means placenta is close, Gr 4 means it's directly overlying/blocking the baby's exit -- high chance of preterm labor & bleeding; you'd need a C/S at 36-37wks. More common in woman w/ hx of C/S & smoking. Not much you can do but wait. If dx'ed early, the uterus still grows/stretches and a placenta can migrate away even in 3rd tri. Follow w/ US. ...Read more

See 1 more doctor answer
4

4
I have placenta previa. How soon can I go into labor and will my baby be safe?

I have placenta previa. How soon can I go into labor and will my baby be safe?

Cesarean by 36-37w.: Placenta previa can lead to preterm labor, so i would recommend prelabor (i.e. Shceuled) cesarean section by 36-37 weeks. If placenta accreta is also suspected, delivery should be by 34-35 weeks with Betamethasone administration and immediate puerperal hysterectomy without attempt at placental delivery! all this shoudl be done in a large hospital. The infant should do well regardless. ...Read more

See 1 more doctor answer
5

5
Why does placenta previa cause cramping and bleeding?

Why does placenta previa cause cramping and bleeding?

Placenta previa: Usually bleeding associated with placenta previa is painless. Rarely, if there is separation of placenta and blood is collected retroplacentally, it can be painful. ...Read more

See 2 more doctor answers
8

8
Can quiting my ADHD medication cause me to have preterm labor in my third trimester?

Coordinated care: When there is need to taper or stop medications acting on the brain or nervous system, women who are pregnant should ask OB provider about a referral to maternal-fetal medicine specialist and/or neurologist or psychiatrist who prescribed the medication. Then all of the doctors can consider risks and benefits for mom and baby before making a change. ...Read more

See 2 more doctor answers
10

10
Can mag withdrawal cause preterm labor?

Can mag withdrawal cause preterm labor?

Preterm labor: Premature labor is caused by inflammation or infection. Magnesium has been used for the treatment of premature labor, but multiple studies have shown that it doesn't really stop contractions. Its use for this indication is declining. Withdrawing an ineffective medication can't cause premature labor. ...Read more

See 1 more doctor answer

Placenta (Definition)

The placenta is an organ that connects the developing fetus to the uterine wall to allow nutrient uptake, waste elimination, and gas exchange via ...Read more


Dr. John Holden
85 doctors shared insights

Early Onset Of Labor (Definition)

Early onset of labor is a clinical finding in which the birth process begins before the ...Read more