Placenta Position Concerns
Medically reviewed by Dr. Lisa Okafor, MD, FACOG · Board-Certified OB-GYN
Content reviewed against published ACOG, NIH, March of Dimes guidelines
Last reviewed:
Your health matters just as much as your baby's. If you are dealing with placenta position concerns, here is what you need to know.
The short answer
The placenta can attach anywhere on the uterine wall - anterior (front), posterior (back), fundal (top), or lateral (sides). All positions are normal. An anterior placenta may cushion the baby's movements, making kicks feel less intense or take longer to notice. The only concern is when the placenta is low-lying or covering the cervix (placenta previa).
Key takeaways
- The placenta can attach anywhere on the uterine wall - anterior (front), posterior (back), fundal (top), or lateral (sides). All positions are normal. An anterior placenta may cushion the baby's movements, making kicks feel less intense or take longer to notice. The only concern is when the placenta is low-lying or covering the cervix (placenta previa).
- Usually normal when: Anterior, posterior, fundal, or lateral placenta position - all are normal
- Call your doctor if: Significant vaginal bleeding, especially if you know you have a low-lying placenta
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What Parents Should Know
According to ACOG, NIH, March of Dimes guidelines, the placenta can attach anywhere on the uterine wall - anterior (front), posterior (back), fundal (top), or lateral (sides). All positions are normal. An anterior placenta may cushion the baby's movements, making kicks feel less intense or take longer to notice. The only concern is when the placenta is low-lying or covering the cervix (placenta previa). At Second trimester, your placenta position is identified at the anatomy scan (around 18-22 weeks). An anterior placenta is very common and not a problem. You may feel baby movements later (closer to 22-24 weeks instead of 18-20) because the placenta acts as a cushion between the baby and your belly wall. This is normal. It is generally considered normal when anterior, posterior, fundal, or lateral placenta position - all are normal. However, you should contact your pediatrician promptly if significant vaginal bleeding, especially if you know you have a low-lying placenta.
Normal vs. Concerning
By Age
What to expect by age
Second trimester
Your placenta position is identified at the anatomy scan (around 18-22 weeks). An anterior placenta is very common and not a problem. You may feel baby movements later (closer to 22-24 weeks instead of 18-20) because the placenta acts as a cushion between the baby and your belly wall. This is normal.
Third trimester
With an anterior placenta, you may feel movements more on the sides and lower belly rather than the front. You should still feel regular movement patterns. Kick counts are still important. An anterior placenta does not affect delivery method or outcomes in most cases. If you need an amniocentesis, the provider will work around the placenta location.
What to Tell Your Pediatrician
- Describe when you first noticed placenta position concerns and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if you are not feeling regular movements by 24 weeks.
- Mention if you notice a decrease in normal movement patterns.
- Let your doctor know if you have noticed any related concerns, such as changes in feeding, sleep, or movement patterns.
- Bring a list of any questions or observations you want to discuss at the appointment.
What Should You Do?
When to take action
- Anterior, posterior, fundal, or lateral placenta position - all are normal
- Feeling kicks later than expected with an anterior placenta
- Kicks felt mainly on the sides or lower belly with anterior placenta
- You are not feeling regular movements by 24 weeks
- You notice a decrease in normal movement patterns
- Your placenta was noted to be low-lying at your anatomy scan
- Significant vaginal bleeding, especially if you know you have a low-lying placenta
- Sudden decrease in fetal movement at any stage
What You Can Do at Home
- Keep track of when you notice placenta position concerns — noting the time of day, duration, and any triggers can help your pediatrician.
- Remember that anterior, posterior, fundal, or lateral placenta position - all are normal — this is generally within the range of normal.
- At Second trimester, focus on observation rather than intervention unless your pediatrician advises otherwise.
- Prioritize your own rest and nutrition. Accept help when offered, and do not hesitate to reach out to your healthcare provider.
- While monitoring at home, seek immediate care if significant vaginal bleeding, especially if you know you have a low-lying placenta.
Related Conditions
Low-Lying Placenta (Not Previa)
A low-lying placenta found on the 18-22 week anatomy scan is very common and usually not a cause for concern. As the uterus grows, the placenta appears to "migrate" upward in over 90% of cases, resolving by the third trimester. Your provider will recheck the placenta position later in pregnancy.
Placenta Previa
Placenta previa means the placenta partially or completely covers the cervix. It is found in about 1 in 200 pregnancies at delivery. Many cases of low-lying placenta detected on mid-pregnancy ultrasound resolve on their own as the uterus grows. When placenta previa persists, a planned cesarean delivery is necessary, and with proper monitoring most outcomes are excellent.
Less Movement with Anterior Placenta
An anterior placenta (attached to the front wall of the uterus) acts as a cushion between the baby and your belly wall, which can make movements feel muffled or less intense. You may feel movement later (22-24 weeks instead of 18-20) and primarily on the sides and lower belly. This is normal, but you should still feel regular movement once it is established.
Related Resources
Frequently asked questions
Is placenta position concerns normal?
When should I call the doctor about placenta position concerns?
When is placenta position concerns normal?
What causes placenta position concerns?
What should I mention to my pediatrician about placenta position concerns?
Is placenta position concerns normal at Second trimester?
Is placenta position concerns normal at Third trimester?
Should I go to the ER for placenta position concerns?
Does placenta position concerns go away on its own?
References
- [1]American College of Obstetricians and Gynecologists. Placenta Previa. ACOG, 2022. ACOG
- [2]National Library of Medicine. Placenta Anatomy. StatPearls, 2023. NIH
- [3]March of Dimes. Placenta. March of Dimes, 2023. March of Dimes
Doctor Visit Checklist
Bring this checklist to your next pediatrician visit to discuss Placenta Position Concerns.
Things to mention
- Describe when you first noticed placenta position concerns and how it has changed over time.
- Note your baby's current age and which age-specific patterns you are seeing.
- Mention if you are not feeling regular movements by 24 weeks.
- Mention if you notice a decrease in normal movement patterns.
- Let your doctor know if you have noticed any related concerns, such as changes in feeding, sleep, or movement patterns.
- Bring a list of any questions or observations you want to discuss at the appointment.
Observations to share
- You are not feeling regular movements by 24 weeks
- You notice a decrease in normal movement patterns
- Your placenta was noted to be low-lying at your anatomy scan
Urgent signs to report immediately
- Significant vaginal bleeding, especially if you know you have a low-lying placenta
- Sudden decrease in fetal movement at any stage
My notes
From ismybabyalright.com — free, evidence-based baby health guides
All content follows our editorial policy and is reviewed against published clinical guidelines.
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Related Resources
Bottom line
Most cases of placenta position concerns are normal. Talk to your pediatrician if significant vaginal bleeding, especially if you know you have a low-lying placenta.
Trust your instincts. If something feels wrong, reach out to your pediatrician. Worrying about your baby means you care — that is a good thing.
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Related Maternal Concerns
Low-Lying Placenta (Not Previa)
A low-lying placenta found on the 18-22 week anatomy scan is very common and usually not a cause for concern. As the uterus grows, the placenta appears to "migrate" upward in over 90% of cases, resolving by the third trimester. Your provider will recheck the placenta position later in pregnancy.
Placenta Previa
Placenta previa means the placenta partially or completely covers the cervix. It is found in about 1 in 200 pregnancies at delivery. Many cases of low-lying placenta detected on mid-pregnancy ultrasound resolve on their own as the uterus grows. When placenta previa persists, a planned cesarean delivery is necessary, and with proper monitoring most outcomes are excellent.
Less Movement with Anterior Placenta
An anterior placenta (attached to the front wall of the uterus) acts as a cushion between the baby and your belly wall, which can make movements feel muffled or less intense. You may feel movement later (22-24 weeks instead of 18-20) and primarily on the sides and lower belly. This is normal, but you should still feel regular movement once it is established.
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