Will My Pelvis Change After First Delivery? Concerns for Second Pregnancy

I would like to inquire about pelvic issues?

Hello, Dr.
Hsu.
During my first delivery, I was in labor for about an hour and a half, and the baby was vacuum-assisted (with multiple attempts).
The baby got stuck in the birth canal for too long and was born not breathing.
After resuscitation, everything was fine, but I later learned that I have a flat pelvis, which made delivery more difficult.
Now that I am pregnant with my second child, I am worried about experiencing the same situation as with my first.
I would like to know if the pelvis expands after the first delivery, making subsequent births easier, or if a cesarean section is recommended instead.
Thank you, doctor!

VIVI, 20~29 year old female. Ask Date: 2015/10/02

Dr. Xu Junrui reply Obstetrics and Gynecology

Mothers who have given birth to their first child may find that their birth canal has been stretched and relaxed due to the previous delivery process.
Therefore, if the first delivery was successful, it is generally recommended that they can opt for a vaginal delivery for their second child, unless the baby is excessively large (over 4000 grams).

Reply Date: 2015/10/02

More Info

When considering the implications of your first delivery on your pelvis and the potential for your second pregnancy, it's essential to understand how childbirth can affect the pelvic structure and the overall birthing experience.
Firstly, it is important to note that during the first delivery, the pelvic floor and the birth canal undergo significant stretching and changes. This is a natural part of the childbirth process. In many cases, after a vaginal delivery, the pelvic tissues may remain somewhat more elastic and relaxed, which can potentially facilitate subsequent deliveries. However, the extent of these changes can vary greatly from person to person.
In your case, since you mentioned having a flat pelvis, it is crucial to recognize that the shape and dimensions of the pelvis can influence the ease of delivery. A flat pelvis may present challenges during labor, as it can create a narrower birth canal, making it more difficult for the baby to pass through. However, the pelvis does not typically "grow" larger after childbirth; rather, it may become more accommodating due to the stretching of the ligaments and muscles involved in the birthing process.
Regarding your concerns about whether to opt for a vaginal delivery or a cesarean section (C-section) for your second child, this decision should be made in consultation with your healthcare provider. If your first delivery was complicated, especially with the use of vacuum extraction and the baby experiencing distress, your doctor may recommend a C-section for the second delivery to avoid similar complications.
It is also worth noting that if you had a difficult first delivery, your healthcare provider may suggest monitoring the size of the baby during your second pregnancy. If the baby is expected to be larger than average, this could influence the decision towards a C-section.
In addition, factors such as your overall health, the position of the baby, and any other medical conditions you may have should be taken into account when making this decision. It is essential to have open and honest discussions with your obstetrician about your previous delivery experience and your current concerns. They can provide personalized advice based on your medical history and the specifics of your current pregnancy.

Moreover, if you are experiencing anxiety about the potential for complications during your second delivery, consider discussing this with your healthcare provider. They may recommend strategies for managing anxiety and preparing for labor, which can include prenatal classes, counseling, or even a birth plan that addresses your concerns.

In summary, while your pelvis may not significantly change in size after your first delivery, the experience of childbirth can impact its flexibility and the overall dynamics of subsequent deliveries. The decision between a vaginal birth and a C-section should be made collaboratively with your healthcare provider, taking into account your previous delivery experience, the current pregnancy, and your personal preferences. Always prioritize your health and the health of your baby when making these important decisions.

Similar Q&A

Can I Have a Natural Birth After Pelvic Injury and Surgery?

Hello, doctor. I was in a car accident on October 26 of last year and was diagnosed with a pelvic fracture, with a crack in the pubic bone. After treatment, I had steel screws and plates inserted for stabilization. At the end of March this year, during a follow-up appointment, th...

Dr. Huang Jianzhong reply Obstetrics and Gynecology
On October 26 of last year, I was involved in a car accident and was sent to the hospital for examination, where I was diagnosed with a pelvic fracture and a crack in the pubic bone. After treatment, I had steel nails and plates inserted for stabilization. At the end of March thi...

Understanding Pelvic Issues: Pain and Discomfort After Childbirth

Hello Doctor: Two days ago, I slept on a wooden bed and couldn't sleep on my side all night. Whenever I turned, the bones in my pelvis would collide. Is this related to having a more prominent pelvis? Sometimes when I wear jeans, it also rubs and hurts a lot. (I didn't ...

Dr. Shi Qiming reply Orthopedics
Dear Sir/Madam: The width of the pelvis can change due to childbirth, and the prominence of the pelvic bones may cause pain due to friction against a hard mattress. It is recommended to use a softer mattress to reduce pain, and the preferred sleeping position is to lie flat. Orth...

Postpartum Pelvic Pain: When to Seek Help and Self-Rehabilitation Tips

I would like to ask the doctor, my first child and second child are only one year apart. It has been almost a year since the second child was born, but I still experience pain in the pubic bone area since giving birth. Occasionally, I feel discomfort while walking, but it is most...

Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, if you are still feeling unwell, it is recommended to see a rehabilitation specialist. Wishing you good health.

Postpartum Concerns: Impact of Long Intervals Between Pregnancies

Hello, Doctor. I would like to ask a couple of questions. I had my first child seven years ago. Is it true that having a long gap between pregnancies means that the second child may not be born as quickly? Additionally, since my first child was delivered naturally and weighed 420...

Dr. Liu Yuhong reply Obstetrics and Gynecology
1. "Is it true that a longer interval between pregnancies makes the second baby come faster? This saying suggests that with a longer gap between pregnancies, the second baby indeed tends to be born more slowly." 2. "Lochia can last up to about six weeks, and in yo...