When a baby is born at 35 weeks of gestation, many parents may wonder if this is considered premature. While 35 weeks is only five weeks shy of a full-term pregnancy, it is technically classified as preterm. Babies born at this stage can often thrive with minimal intervention, but it’s still important to understand what 35 weeks means in terms of development, medical support, and potential complications. Recognizing whether 35 weeks is premature can help expectant parents feel more prepared and informed as they approach childbirth.
Understanding Gestational Age and Full-Term Birth
What Does 35 Weeks Mean in Pregnancy?
Gestational age refers to the number of weeks that have passed since the first day of a woman’s last menstrual period. A full-term pregnancy typically lasts about 40 weeks. Medical professionals classify the stages of gestation as follows:
- Early term: 37 to 38 weeks
- Full term: 39 to 40 weeks
- Late term: 41 weeks
- Post-term: 42 weeks and beyond
- Preterm: Before 37 weeks
Therefore, a baby born at 35 weeks is consideredpretermor premature. More specifically, this falls into the category oflate preterm, which includes babies born between 34 and 36 weeks and 6 days of gestation.
Is a Baby Born at 35 Weeks Considered Premature?
Yes, 35 weeks is premature, though it is relatively close to term. This stage is known as late preterm, and babies born at this point generally have higher survival rates and fewer complications compared to those born earlier. However, being born at 35 weeks still means the baby may face some challenges and require additional medical attention after birth.
How Common Is It to Deliver at 35 Weeks?
Preterm birth affects approximately 10% of pregnancies globally. Late preterm births, including those at 35 weeks, are the most common among preterm deliveries. These births may occur spontaneously or as a result of medical conditions such as preeclampsia, gestational diabetes, or multiple pregnancies.
Developmental Milestones at 35 Weeks Gestation
What Has Developed by 35 Weeks?
By the 35th week, many of the baby’s organs are nearing full development, but there are still a few important milestones left to reach. At this stage:
- The baby’s lungs are maturing but may still need support if born early.
- The brain is still rapidly developing and gaining volume.
- The baby’s body fat continues to build, helping with temperature regulation.
- The sucking and swallowing reflexes are improving but may not be fully coordinated.
- The immune system is still developing, making the baby more vulnerable to infection.
While many functions are nearly complete, being born at 35 weeks still poses certain risks that may require neonatal care or monitoring.
Potential Complications for Babies Born at 35 Weeks
Common Health Concerns
Even though 35-week preemies generally do well, they are still at increased risk for complications compared to full-term infants. These may include:
- Respiratory distress syndrome (RDS): Due to underdeveloped lungs
- Feeding difficulties: Caused by immature sucking and swallowing reflexes
- Jaundice: A buildup of bilirubin in the blood, often due to an immature liver
- Temperature regulation: Difficulty maintaining body temperature due to low body fat
- Low birth weight: Babies may weigh less than 5.5 pounds at this stage
Fortunately, with proper medical care, most of these conditions can be managed effectively, and many babies born at 35 weeks recover fully and go on to thrive.
Neonatal Care and Hospital Stay
Do 35-Week Babies Need to Stay in the NICU?
While not all babies born at 35 weeks require a stay in the neonatal intensive care unit (NICU), many do spend time there for observation or specialized care. The duration of the hospital stay depends on several factors, including:
- Whether the baby can breathe without assistance
- The baby’s ability to feed and gain weight
- Body temperature stability
- Signs of infection or other medical issues
Some 35-week babies may only need a few days of care, while others might stay for one to two weeks, depending on how they adapt outside the womb.
Long-Term Outlook and Development
Do 35-Week Babies Catch Up?
Most babies born at 35 weeks catch up developmentally with their full-term peers within the first year of life. Early intervention and regular pediatric checkups help ensure they meet appropriate milestones. However, in some cases, late preterm babies may be at slightly increased risk for learning difficulties or attention issues later in life.
Parental Support and Bonding
One of the biggest concerns for parents of premature babies is bonding, especially if the baby spends time in the NICU. Hospitals often encourage skin-to-skin contact, known as kangaroo care, and involve parents in feeding and daily care as much as possible. Emotional support, both professional and peer-based, can also be invaluable during this time.
What to Expect If Labor Begins at 35 Weeks
Signs of Preterm Labor
Pregnant individuals should be aware of the signs of preterm labor, which include:
- Regular contractions that do not go away
- Low back pain or pressure
- Changes in vaginal discharge
- Water breaking (rupture of membranes)
If any of these symptoms appear before 37 weeks, it’s important to contact a healthcare provider immediately. Medical interventions may delay labor or prepare the baby for early delivery through steroid injections that help mature the lungs.
Is 35 Weeks Premature?
Yes, 35 weeks is medically considered premature, falling into the late preterm category. While babies born at this stage typically do very well, they may still require special attention and care to ensure a smooth transition into the world. Understanding the developmental status, potential complications, and available medical support can empower parents to make informed decisions and provide the best possible start for their baby.