Dietician
Karolina Dobrowolska-Zrałka
During pregnancy and breastfeeding, the woman's body undergoes huge hormonal and metabolic changes that set new requirements before the connective tissue system. Collagen, key structural protein of the skin, joints, tendons and blood vessels, plays the role of scaffolding, ensuring the elasticity and strength of tissues. During pregnancy, the stretchness of the abdominal skin increases, and the bone -joint system works under a greater burden associated with weight gain and preparation of the body for delivery. After the birth of a child, collagen supports tissue regeneration and helps maintain the proper condition of the skin and tendons during breastfeeding and changes in body posture.
Due to the key functions of collagen, many pregnant women think about supplementation - whether it is safe, what doses to use and whether collagen peptides can get into mother's milk. At the same time, it is worth remembering that a woman's body during this period also requires proper supply of vitamin C, zinc or copper, which are cofactors of enzymes responsible for the translational modification of tropocolagen. In the further parts of the article, we will discuss the role of collagen in the pregnant body, safety of use, impact on fetal development, principles of supplementation during breastfeeding, recommended doses, opinions of doctors, natural collagen sources, possible contraindications and the most common questions and doubts of pregnant women.
The role of collagen in the pregnant body
During pregnancy, the woman's body produces more hormones, primarily relaxins and estrogens, which prepare tissues for stretching and childbirth. Collagen is the basic scaffolding of leather, tendons and ligaments, enabling tissue integrity under the influence of abdominal growth and biomechanics. In the skin of the proper type I and III collagen fibers are responsible for firmness and elasticity, and their reconstruction under the influence of hormones is conducive to preventing skin cracks (stretch marks).
In the osteoarticular system, collagen has a depreciation and structural function: in articular cartilage type II protects against excessive abrasion of articular surfaces, and in bones of type I collagen and is a scaffold for hydroxyapatite crystals, providing bones with elasticity. The body weight growing during pregnancy and the movement of gravity increase the load on the hip joints and the lumbar spine. The high level of collagen allows you to better spread these forces and reduce pain.
In addition, collagen participates in healing and remodeling of tissue after delivery. It enables faster recovery of perineal tissues, can support uterine regeneration and restoration of abdominal skin elasticity. The high level of collagen in the diet or supplementation helps maintain the correct structure of connective tissue in this physiologically difficult phase of a woman's life.
Safety of the use of collagen during pregnancy
Although hydrolyzed collagen is considered a substance with a low risk of side effects, pregnant women should be careful. There is not enough clinical trials on large pregnant groups that would clearly confirm the total safety of high doses of collagen peptides in the first trimester. Therefore, most specialists recommend limiting supplementation in the first trimester or suspend it completely until the end of the key processes of organogenesis.
In the second and third trimester, it is allowed to take collagen at a dose of up to 5 g per day, preferably in the form of a small molecular weight hydrolyzate (<5 kda), which minimizes the risk of allergic reactions. It is also important that the preparation is free from pollution - heavy metals, residues of solvents or antibiotics, especially in the case of sea collagen. Supplements should have a GMP certificate and purity tests confirming the quality of the product.
Women with the history of food allergies, especially for fish proteins or crustaceans, should choose beef or chicken collagen, and in the case of any ailments (rash, itching, gastrointestinal problems), stop the treatment and consult the attending physician. Remember that the safety of mother and child is always the priority, and supplementation should be consulted with a gynecologist or perinatal dietitian.
Collagen and fetal development
The direct influence of collagen peptides on fetal development is not fully understood, but the supplied amino acids are a valuable source of building material for growing baby tissues. Hydroxyproline, glycine and prolina - the main collagen amino acids - are necessary for the synthesis of extracellular matrix bone, cartilage and fetal skin. Especially in the third trimester, the osteoarticular system and child's skin develop intensively, and the availability of building blocks can affect the subsequent strength and flexibility of tissues.
After passing through the bearing, collagen amino acids can be used by the fetus to synthesize their own collagen. However, the entire transport of nutrients is carried out in accordance with the mechanisms of active and passive bearing transport, so the mother's supplement does not translate directly into collagen concentration in the fetus, but into a pool of free amino acids in the maternal circulation. This makes a well -balanced diet of a pregnant woman a well -balanced diet, and supplementation plays a complementary role, supporting the metabolism of amino acids and cofactors.
Supplementation during breastfeeding
During lactation, the mother's body is still exposed to large energy expenses and building needs. Hydrolyzed collagen, taken at a dose up to 5-10 g per day, can support the regeneration of tissues stretched during pregnancy, improve the condition of the skin and make muscles and joints burdened with new body tension patterns. Mother's milk is not noted directly transporting large collagen peptides, but amino acids can be released in the digestive tract and used by the infant in the synthesis of its own collagen.
Supplementation should be carried out 30-60 minutes before feeding or between meals to minimize the possible effect on the peristalsis of the infant's digestive tract. If your child has symptoms of intolerance (colic, rash), stop taking the preparation and consult a pediatrician. It is also worth remembering that the caloric content and quality of the mother's diet plays a key role - the right amount of protein, vitamins and minerals translates into food composition and child development.
Recommended doses
The recommended dosage of collagen during pregnancy and lactation is based on moderate portions that do not exceed those used in the general population:
- And trimester: 0-2 g/day (mainly from diet, broths and jellies),
- II -III trimester: 2-5 g/day of hydrolyzed collagen peptides,
- Lactation: 5-10 g/day, in two portions (morning and evening),
- Vitamin C: 500–1000 mg/day spread out during the day,
- Treatment period: Cycles 8-12 weeks with 4-week breaks.
With diet deficiencies or intensive joint ailments, you can increase the dose to 7-10 g, but always after consulting a doctor. It is important not to exceed 10-15 g peptides a day, because larger portions do not translate into faster results, and may increase the risk of adverse gastrointestinal symptoms.
Doctors' opinions
Gynecologists and perinatal dietitians emphasize that collagen can be a valuable element of the diet of pregnant and nursing women, but it will never replace a balanced menu. Recommend:
- priority of natural collagen sources (broths, jellies, cartilage dishes),
- moderate supplementation with hydrolyzing with a cleanliness ≥90 %,
- Turning on products rich in vitamin C and minerals (zinc, copper),
- monitoring the body's response and consultation in case of doubt,
- Connecting with exercises to strengthen the pelvic floor muscles and manual therapy for joint ailments.
Experts emphasize that the safety of mother and child is the most important, and collagen supplementation should be additional support, not the basis of the diet in this unique period.
Natural sources of collagen
In addition to supplements, it is worth reaching for products containing natural collagen peptides:
- bone broth (beef, chicken bones) cooked 12-24 hours,
- meat and fish jellies made of cartilage -rich decoctions,
- meat with cartilage (pork knuckle, ribs, bridge),
- food gelatin (100 % collagen),
- Single -pot dishes with bone or poultry skin.
Regularly incorporating these dishes into the menu allows the mother to provide the body of collagen peptides in a natural form, which supports the condition of tissues and can alleviate the fears of synthetic supplementation with synthetic preparations.
Possible contraindications
Collagen supplementation during pregnancy and lactation should be careful in the following cases:
- Allergy for fish or chicken proteins - choose a different type of collagen,
- autoimmune diseases (lupus, RA) - consultation with a specialist,
- gastrointestinal disorders (IBS, Crohn's disease)-risk of severity of symptoms,
- kidney or liver problems - caution with high doses of protein,
- Simultaneous use of immunosuppressive drugs - pharmacological consultation.
In the event of disturbing symptoms (rash, abdominal pain, digestive problems), stop the treatment and ask for advice to the attending physician.
The most common questions of pregnant women
Can I start supplementing collagen in the first trimester?
It is recommended to put supplementation with collagen hydrolyzing into the second trimester, because the first weeks of pregnancy are crucial for the development of fetal organs, and safety tests during this period are limited.
What collagen doses are safe when breastfeeding?
During lactation, you can take 5-10 g of hydrolyzed collagen peptides a day, preferably in two portions - in the morning and evening - to support tissue regeneration after delivery.
Does collagen affect the quality of mother's milk?
There is no evidence on the direct impact of collagen on the composition of women's milk; Supplementation, however, can improve the condition of the mother's skin and joints, which translates into her better mood and efficiency of lactation.
How to recognize if I have a collagen deficiency during pregnancy?
Symptoms of deficiency include Excessive stretch marks, joint pain, weakness of blood vessels (spiders) and weaker healing of wounds after cutting the perineum. It is worth considering supporting diet and supplementation.
Can collagen cause allergy in a child?
Collagen peptides are usually broken down into amino acids in the digestive tract of mother and child, therefore the risk of allergies is low; However, with intolerance symptoms, supplementation should be discontinued.
How long after delivery is worth continuing to supplement collagen?
Supplementation can be carried out throughout the entire period of breastfeeding and for the next 3-6 months to support tissue regeneration and maintaining skin elasticity after stretching during pregnancy.
Is natural collagen sources enough without supplements?
Broths and jellies provide natural collagen peptides, but supplementation with low molecular weight hydrolyzing can accelerate regeneration, especially for joint or skin ailments.
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