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Skincare Ingredients To Avoid During Pregnancy ... particularly during the first trimester,” says Dr. Shamban. Dr. Bowles agrees: “Salicylic acid can affect fetal development, so it’s best ...
In one study, BTEX (Benzene, toluene, ethylbenzene, xylenes) exposure during the first trimester of pregnancy has been clearly indicating negative association with biparietal brain diameter between 20 and 32 weeks of pregnancy. Women with high exposure to toluene had three to five times the miscarriage rate of those with low exposure, and women ...
Additional energy is required during pregnancy due to the expansion of maternal tissues and stored to support fetal development. In the first trimester (blastogenesis and early embryonic stages), the mother experiences a minimal weight gain (approximately 0.5-2 kilograms), while the embryo weighs only 6 grams.
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[36] [34] During pregnancy the placenta concentrates B 12, so that newborn infants have a higher serum concentration than their mothers. [33] What the mother-to-be consumes during the pregnancy is more important than her liver tissue stores, as it is recently absorbed vitamin content that more effectively reaches the placenta.
Nutrition during pregnancy is important to ensure healthy growth of the fetus. [16] Nutrition during pregnancy is different from the non-pregnant state. [16] There are increased energy requirements and specific micronutrient requirements. [16] Women benefit from education to encourage a balanced energy and protein intake during pregnancy. [93]