Advanced Maternal Age Risks and Perinatology Follow-up

Advanced maternal age is a term used in medical literature to describe pregnancies where the expectant mother is 35 years of age or older. While we occasionally see sensational news stories in the media about women giving birth naturally at the age of 64, medical reality shows that pregnancy at such ages is exceedingly rare, usually dependent on assisted reproductive technologies, and considered high-risk. To experience a healthy pregnancy in your later years, minimize potential risks, and protect both maternal and fetal health, regular monitoring by a perinatology specialist is a vital necessity.

In Brief:

• Pregnancies at age 35 and older are medically classified as "advanced maternal age."
• Risks such as gestational diabetes, high blood pressure, and premature birth increase during this period.
• Detailed genetic screenings are strongly recommended to check for chromosomal anomalies.
• High-risk pregnancy monitoring is carried out by perinatology specialists using specialized ultrasounds and tests.
• A safe delivery process is entirely possible with regular medical check-ups and healthy lifestyle habits.

What is Advanced Maternal Age and What Are the Biological Realities?

A woman's reproductive capacity undergoes a natural and inevitable change with age. According to medical standards, pregnancies that occur after the age of 35 are referred to as advanced maternal age. The primary reason for setting this age limit is the decrease in the quantity of the ovarian reserve and a steeper decline in the quality of the remaining eggs starting from age 35. The stories we encounter in the news about women giving birth in their 60s are medical exceptions, and almost all of them involve the use of donor eggs or highly intensive assisted reproductive treatments. Due to human biology, the likelihood of conceiving naturally as one approaches menopause is quite low, and pregnancy at these ages places a massive burden on the mother's heart and vascular system.

When pregnancy is achieved at an advanced age (between 35-45 years), the body's circulatory, respiratory, and endocrine systems may experience extra strain as they try to adapt to the new condition. Therefore, pregnancies over 35 require a stricter monitoring protocol that differs from standard pregnancies. The fact that women delay motherhood for social reasons such as education, career planning, or finding the right partner has led to a much higher incidence of advanced maternal age pregnancies in society. This situation increasingly highlights the importance of advanced medical branches like perinatology, which safeguard the health of both mother and baby.

Pregnancy Risks Over 35 and Their Causes

The most fundamental risk of becoming a mother at an advanced age is the changes that occur at the cellular level along with the aging process. Chromosomal differences rank first among the risks of pregnancy over 35. The biological aging of egg cells increases the likelihood of faulty division of genetic material during fertilization. This directly increases the incidence of genetic anomalies such as Down syndrome (Trisomy 21) and Edwards syndrome (Trisomy 18).

In addition, as the expectant mother's age advances, the probability of systemic (affecting the whole body) diseases emerging also increases. High blood pressure problems, known as preeclampsia (pregnancy toxemia), and gestational diabetes are diagnosed more frequently in older pregnant women. Furthermore, for women with underlying reproductive health or metabolic issues such as Polycystic Ovary Syndrome (PCOS), the process of getting pregnant may take longer, and metabolic risks like insulin resistance during pregnancy can multiply. The likelihood of a miscarriage (abortus) in the first trimester and an ectopic pregnancy—where the fertilized egg implants outside the uterus—are other significant risk factors that increase in direct proportion to age.

Body Changes and Symptoms During Pregnancy

Pregnancy creates massive physical and hormonal storms in a woman's body at any age. However, in advanced age pregnancies, reflecting and tolerating these changes can be more challenging. Expectant mothers may feel severe fatigue, lethargy, and morning sickness more intensely during the first trimester. The volume of blood pumped by the heart increases by about fifty percent during pregnancy; the body's adaptation to this increased blood volume and metabolic rate may take a bit more time compared to someone in their 20s, causing the expectant mother to tire more quickly.

In the following months, as the uterus grows rapidly, the pressure on the stomach, intestines, and diaphragm muscle increases. During this process, digestive difficulties such as heartburn, reflux, and constipation are very common complaints among older pregnant women, often making daily life difficult. Additionally, circulatory system symptoms like joint pain, sensitivity in the lower back and pelvic region, leg cramps, and the formation of varicose veins may manifest in earlier weeks. While mild ankle edema and increased fatigue in the evening are considered normal, the severity and frequency of these symptoms should be closely monitored by a physician. Reading the body's signals correctly is a critical step in the early detection of potential complications.

What is Perinatology and How Are Screenings Performed?

Perinatology is the branch of medicine that focuses on the health of the mother and fetus (the baby in the womb), specializing in the diagnosis and treatment of high-risk pregnancies. Reached by completing a rigorous three-year subspecialty fellowship on top of an obstetrics and gynecology residency, perinatology plays a key role, especially in advanced maternal age pregnancies. A perinatology specialist (perinatologist) examines the baby's anatomical development, genetic risks, and the mother's health condition in the finest detail from the beginning to the end of the pregnancy.

In advanced age pregnancies, the diagnosis and screening process is carried out comprehensively and meticulously. The combined test and the measurement of the baby's nuchal translucency performed between the 11th and 14th weeks are the first important steps. Today, genetic screening can often be performed with high accuracy rates using the NIPT (Cell-Free Fetal DNA) test, which examines the baby's free DNA from a simple blood sample taken from the mother. The detailed (anatomy) ultrasound performed between the 18th and 22nd weeks takes about 30-45 minutes, during which the baby's organ development, heart chambers, brain structure, kidneys, and limbs are evaluated millimeter by millimeter. If high risk is detected in screening tests or a suspicious finding is seen on the ultrasound, advanced diagnostic methods such as amniocentesis (taking fluid from the womb with a thin needle) are utilized to obtain genetic results with near one hundred percent certainty.

High-Risk Pregnancy Monitoring and Process Management

The treatment and management approach in advanced age pregnancies relies on anticipating potential problems and applying preventive medicine. High-risk pregnancy monitoring is not just about hospital tests; it is a holistic process that also encompasses the expectant mother's lifestyle at home. Your doctor may recommend a special nutrition program accompanied by a dietitian to prevent gestational diabetes fluctuations and may ask for daily blood pressure monitoring at home. Stress management and light exercises like prenatal yoga or swimming are also important supporters of this process.

In terms of medical management at the hospital, the frequency of appointments is higher than in standard pregnancies. Particularly in the last three months of pregnancy (third trimester), the amount of amniotic fluid surrounding the baby, umbilical cord blood flow (via Doppler ultrasound), and the baby's growth curve are closely monitored. When necessary, preventive medications for premature birth, blood thinners to prevent blood clotting, or medical support to balance blood pressure may be prescribed. When deciding on the method of delivery, the mother's pelvic bone structure, the baby's position, weight, and existing risk factors are evaluated as a whole; the likelihood of a cesarean section can be higher at an advanced age due to anatomical, physiological, and medical reasons.

Possible Complications and Risk Groups

Complications encountered in advanced age pregnancies must be carefully managed for both the mother and the baby. One of the most common complications is premature birth (the onset of labor before the 37th week of pregnancy). Because lung development is not fully complete in premature babies, the risk of respiratory distress and the need for a neonatal intensive care unit (NICU) are higher. On the other hand, if gestational diabetes cannot be controlled, the baby may be born much larger than normal (macrosomia), which can lead to birth traumas.

Placenta-related issues are also statistically more common in pregnancies over 35. Conditions such as the placenta completely or partially covering the cervix (placenta previa) or separating from the uterine wall prematurely causing bleeding (placental abruption) are serious complications that can threaten the lives of both mother and baby. Multiple pregnancies (twins, triplets) are naturally another major factor that multiplies the risk of complications, as they are seen more frequently in older women, especially those undergoing IVF treatment. Expectant mothers of advanced age who have obesity, pre-existing chronic hypertension, heart diseases, or thyroid problems constitute the highest risk group, and these patients should be monitored with a multidisciplinary approach.

When to See a Doctor and Emergencies

During pregnancy, certain symptoms can be harbingers of emergencies requiring immediate medical intervention. In advanced age pregnancies, the body's reactions must be evaluated much more sensitively, and no complaint should be ignored. If you experience any of the following symptoms, you should contact your doctor immediately or go to the nearest emergency room:

• Fresh, bright red vaginal bleeding that goes beyond mild spotting and is heavy enough to soak a pad.
• Severe swelling (edema) that suddenly appears in the hands, face, or legs and does not go away with rest.
• Floaters in the eyes, blurred vision, pain in the upper stomach area, or a severe headache that does not respond to painkillers (could be a sign of preeclampsia).
• Sharp, stabbing pain in the abdomen, cramps, or a continuous sensation of regular contractions.
• A noticeable decrease in the baby's daily movements or a complete stop in movements.
• A sudden, uncontrollable gush of fluid from the vagina (premature rupture of the amniotic sac).

In the presence of these symptoms, without trying to diagnose yourself, you should immediately call the 112 Emergency Call Center to request an ambulance or go to the emergency room of a fully equipped hospital without wasting time.

Perinatology and the Pregnancy Process at BHT CLINIC

To overcome the medical challenges that advanced age pregnancies can bring and to safely hold your baby in your arms, it is of great importance to embark on this journey with an experienced, well-equipped, and multidisciplinary team. In the BHT CLINIC İstanbul Tema Hastanesi Perinatology department, we are by your side at every stage of your pregnancy with our expert physician staff in the field of high-risk pregnancy monitoring. Thanks to our advanced high-resolution ultrasound devices and fully equipped laboratory infrastructure, we evaluate your baby's development in the finest detail and safely perform all necessary screening tests.

Upon your first visit to our hospital, your previous pregnancy history, current illnesses, family history, and genetic risk factors are examined in detail. When necessary, we form joint medical boards with our endocrinology, cardiology, and nutrition experts to address your health holistically. With our 24/7 fully equipped emergency service, modern operating rooms, and advanced neonatal intensive care unit (NICU), we have the infrastructure to act within seconds in the event of a possible premature birth or a situation requiring emergency intervention. Bringing your old test results, previous ultrasound reports, and a list of the medications you use to your appointment will speed up your process.

Frequently Asked Questions

Is it hard to get pregnant after 35?

Because the ovarian reserve and egg quality in women begin to decline after the age of 35, the time it takes to conceive naturally may be longer compared to those in their 20s. However, with regular health check-ups, a healthy lifestyle, and, if necessary, assisted reproductive treatments (IVF, IUI), it is entirely possible to achieve a healthy pregnancy.

Can I have a normal delivery in an advanced age pregnancy?

It is medically possible to have a normal (vaginal) delivery in advanced age pregnancies, and age alone is not a reason for a cesarean section. The method of delivery is decided together with your doctor by looking at the baby's position in the womb, weight, the mother's pelvic bone structure, and whether there are risks like high blood pressure or diabetes during the pregnancy process.

When should I see a perinatology specialist?

You should consult a perinatology specialist for pregnancies over 35, in cases of multiple pregnancies, if you have a history of recurrent miscarriages, if you have a chronic illness, or if a suspicious finding is encountered during a routine ultrasound. Additionally, it is recommended to get a perinatology consultation for detailed ultrasound screenings between the 11th-14th weeks and 18th-22nd weeks in every pregnancy.

What tests are mandatory for pregnancies over 40?

In medicine, no test can be made mandatory without patient consent; however, because the risk of chromosomal anomalies is high in pregnancies over 40, the combined test, Cell-Free Fetal DNA (NIPT) test, and detailed ultrasound are strongly recommended. If screening tests yield high-risk results, definitive diagnostic tests like amniocentesis may be advised.

How should nutrition be in an advanced age pregnancy?

To reduce the risk of gestational diabetes and high blood pressure, the consumption of carbohydrates, pastries, and refined sugar should be limited, and a diet rich in protein and fiber should be adopted. Consuming foods rich in folic acid, iron, calcium, and omega-3 both maintains the expectant mother's energy levels and supports the baby's brain and bone development.

To experience a healthy pregnancy process and entrust your high-risk pregnancy monitoring to expert hands, you can easily create your appointment through our BHT CLINIC appointment page. For detailed information, appointment scheduling, and emergencies, you can reach us 24/7 at our call center at 0850 811 34 00.

This article is for informational purposes only; please consult your doctor for diagnosis and treatment.