BackPreconception Nutrition definitions
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1/15BackSkip to main contentBackGestation
Developmental timeline of embryo and fetus from conception to birth, measured from the last menstrual period in medical settings. Conception
Moment when a sperm cell fuses with an egg, forming a zygote and initiating the earliest stage of human development. Zygote
First cell formed after fertilization, marking the beginning of embryonic development. Trimester
One of three roughly equal periods dividing the 40-week pregnancy, each with distinct developmental milestones. Last Menstrual Period
Reference point used in medicine to calculate pregnancy duration, marking the start of gestational age. Neural Tube Defect
Birth abnormality resulting from inadequate folate intake, affecting the brain and spinal cord formation in early pregnancy. Micronutrient
Essential vitamin or mineral required in small amounts to support reproductive health and fetal development. Teratogen
Substance capable of disrupting fetal development, increasing risk of birth defects or miscarriage. Spontaneous Abortion
Unintentional loss of pregnancy before 20 weeks, commonly referred to as miscarriage, often linked to teratogen exposure. Body Weight
Physical status that, when managed within a healthy range before conception, improves fertility and pregnancy outcomes. Folate
B vitamin critical for early fetal neural development, with deficiency increasing risk of neural tube defects. Mercury
Toxic element found in certain fish, capable of causing developmental harm if consumed in excess during pregnancy. Listeria
Harmful bacteria present in some unpasteurized foods, associated with increased miscarriage risk. Essential Fatty Acid
Nutrient found in fish, important for fetal brain development, but best sourced from low-mercury varieties. Vitamin A
Fat-soluble nutrient that, when overconsumed, can accumulate to toxic levels and pose risks during pregnancy.
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