Reformer Pilates during pregnancy: a safe program by trimester

Reformer Pilates during pregnancy is, when the right conditions are met, one of the forms of work preferred for supporting bodily comfort and movement quality through the course of pregnancy. However, the phrase “right conditions” here deserves emphasis: no exercise program should be started or continued during pregnancy without the approval of the physician following you. At the O’Wellness Dragos studio in Maltepe Cevizli, we work with our pregnant members only after physician approval and an assessment by our sports physiotherapist. This article is not medical advice; it is an informative text explaining the approach we follow by trimester once approval has been obtained.

Why is physician approval simply non-negotiable?

Every pregnancy is unique. Placental position, a history of cervical insufficiency, multiple pregnancy, bleeding, risk of preeclampsia, gestational diabetes, thyroid status, previous birth history and many other factors directly affect suitability for exercise. The only person who can assess all of these factors is the obstetrician following you.

Our practice is this: when a pregnant member comes to us, we ask for physician approval or a report; we do not register anyone without approval. Once approval is received, our sports physiotherapist carries out an assessment and the program is built. At trimester changes and with any medical development, physician notification is requested again.

In addition, exercise is stopped immediately and a physician consulted in the following situations: vaginal bleeding or fluid loss, abdominal pain or cramping, dizziness and a feeling of faintness, shortness of breath, headache, changes in vision, one-sided swelling and pain in the leg, a decrease in fetal movements. These are not symptoms about which one says “let's carry on, it will pass” under any circumstances.

What changes in the body during pregnancy?

To understand why the program needs to be adapted, it helps to look at the physiological changes:

• The center of gravity shifts forward. This leads to an increased curve in the lower back and extra load on the hip and lower back muscles.
• The hormone relaxin increases. Connective tissues loosen and joint mobility increases. This means flexibility increases, but it also means joint stability decreases. That is why pushing to the end of the range of motion during pregnancy is not appropriate.
• The abdominal wall is under tension. The rectus muscles separate sideways; this is a physiological process. That is why classic sit-up type movements are kept out of the program.
• The load on the pelvic floor increases. The baby's weight increases the pressure on the pelvic floor muscles.
• Blood volume and heart rate increase. Resting heart rate rises and your breathlessness threshold shifts.
• Balance shifts. You need more support in balance-based standing movements.

Why is the reformer such an adaptable tool during pregnancy?

There are concrete reasons why the reformer stands out during pregnancy. First, the option to work in supported positions. Because you can work side-lying, seated and semi-reclined, you do not have to carry the load of standing.

Second, progression through spring resistance. As pregnancy progresses, fatigue and comfort limits change; spring settings can be adjusted in every session to how you feel that day.

Third, being controlled and low impact. It involves no jumping, jolting or sudden changes of direction.

Fourth, breath and pelvic floor awareness. Both of these skills are valuable for pregnancy, for birth and for postnatal recovery. Reformer classes work on that awareness systematically.

Approach by trimester

Period	Priority	Position preference	Work that is avoided
1st trimester (0-13 weeks)	Physician approval, breath, light consistency	Semi-reclined, seated, side-lying	High intensity, excessive fatigue, rising body temperature
2nd trimester (14-27 weeks)	Hip and back strength, support for posture	Side-lying, seated, kneeling, supported standing	Long periods lying on the back, abdominal flexion, deep rotation
3rd trimester (28+ weeks)	Comfort, pelvic mobility, breath	Seated, side-lying, supported standing, kneeling	Supine position, prone work, exercises that require balance

First trimester

In this period nausea and fatigue are decisive for most people. The aim is not gains but continuity. If physician approval has been obtained, someone who exercised regularly before can usually continue their existing routine in a lightened form. For someone who has never exercised before, starting an intense program from scratch during pregnancy is not appropriate; here too the decision rests with your physician.

Practical notes: keep the intensity at a level where you can talk, drink enough water, avoid overheating. As long as you do not push yourself, this period is largely devoted to breathing and awareness work.

Second trimester

The most comfortable period for most people. Nausea decreases, energy returns, and the abdomen does not yet restrict movement much. The program here focuses on strength in the hip, back and shoulder area; because these are the muscles that will determine lower back comfort in the months ahead.

In this period a limit comes into play: after week 16, lying on the back for long periods is avoided. The growing uterus can press on the main vein and affect blood return. For this reason, supine work is shortened and a semi-reclined position or side-lying is used instead. This is why your instructor asks you to change position.

Classic abdominal flexion exercises also come out of the program during this period. They are replaced by deep abdominal and pelvic floor work performed while maintaining a neutral spine.

Third trimester

The focus shifts from strength to comfort. Maintaining pelvic mobility, reducing tightness in the back and hip area, supporting breathing capacity and easing the feeling of swelling come to the fore.

Work done seated and side-lying gains weight. Standing movements requiring balance are not done without support. Range of motion is kept limited even if it has increased under the effect of relaxin. The session length can be shortened and rest intervals extended.

Weekly frequency during this period is usually kept at around two sessions, though this too varies with the individual's situation and medical advice.

Practical topics often asked about in pregnancy

The practical details our pregnant members ask about most once they have their physician's approval, and how we approach them:

• Heart rate tracking: The fixed maximum heart rate limits once used are no longer seen as the only criterion. A more practical measure is the “talk test”: if you can comfortably form sentences throughout the class, the intensity is in the right range.
• Heat and fluids: Overheating must be avoided. That is why studio temperature, clothing choice and water intake before, during and after class are monitored. Forms of exercise done in hot environments are not preferred during pregnancy.
• Groin and pelvic pain: Pain in the pelvic joints is common in pregnancy. In this case, movements with a wide opening that separate the legs are restricted, and symmetrical patterns in which the legs work together are preferred. If the pain is pronounced, you need to tell your doctor.
• Fatigue: During pregnancy the line between “a good tiredness” and “too much strain” is finer. You are expected to feel recovered within an hour or two after class; a sense of exhaustion lasting until the evening shows that the intensity needs to be lowered.
• Clothing and footwear: Grip socks, and flexible, breathable clothing. Because balance shifts during pregnancy, secure contact between foot and floor becomes important.

All of these topics are things you discuss briefly with your trainer at the start of every session. During pregnancy, the program is not a fixed plan set up once and followed; it is a process adapted from week to week, even from day to day.

The pelvic floor: pregnancy's most valuable investment

Developing awareness of the pelvic floor muscles during pregnancy is one of the most valuable preparations for postnatal recovery. The work here is not only about contraction; relaxing also needs to be learned. A constantly contracted pelvic floor is not what you want during or after birth.

In reformer classes this work is done matched with the breath: a slight upward-and-inward gathering on the exhale, a full release on the inhale. Acquiring this coordination takes a few weeks for most people. If you have a pelvic floor complaint, this matter needs to be assessed separately by a physiotherapist.

How do we work with pregnant members at Dragos?

The steps we follow with our pregnant members coming from Maltepe, Kartal, Pendik, Kadıköy and the area around Dragos: physician approval, a sports physiotherapist assessment, a personalized program, asking how they feel that day at the start of every session, and reassessment at each trimester transition.

During pregnancy we prefer one-to-one or very small group work. The reason is the need to monitor position adaptations and comfort on the day continuously. On Balanced Body Allegro 2 reformers, footbar height, head support and the spring combination are set up again in every session. our Pregnancy and Postnatal program is carried out within this framework.

for 17 people in our team of trainers we have a sports physiotherapist and a dietitian on site; nutritional support during pregnancy can also be provided in coordination with your physician. our reformer programs can review, and for the suitable times to the weekly schedule can look, and for an assessment you can reach us. Spa and heat treatments during pregnancy call for particular care; our separate brand O’Spa Dragos services, you also need to consult your physician first.

Frequently asked questions

Is reformer Pilates safe in pregnancy? It is one of the low-impact forms of work preferred in cases where your treating physician considers it appropriate and the program is adapted to pregnancy. However, the safety decision belongs entirely to your physician; depending on the course of your pregnancy, there are situations in which exercise is not appropriate.

I've never done Pilates before; can I start during pregnancy? Your physician's opinion is decisive on this. If approval is given, it is appropriate to begin with a low-intensity, fully adapted introductory program and one-to-one supervision.

Up to which week can I continue? There is no standard week limit. Many people continue in an adapted form with physician approval until close to delivery. The decision depends on the course of your pregnancy and your physician's assessment; it needs to be discussed again in every trimester.

Why is working on your back limited during pregnancy? After about week 16, the growing uterus can press on the main vein in the supine position and affect blood return. For this reason, time spent supine is shortened and semi-reclined or side-lying positions are preferred.

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