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Oocyte cryopreservation (commonly referred to as OC or egg freezing) is a form of assisted reproductive technology (ART) used to preserve human eggs . The technique is often used to delay pregnancy. At the time pregnancy is desired, the eggs can be thawed, fertilized, and transferred to the uterus as embryos.
Pediatricians used to recommend waiting until your baby was 12 months old to try eggs because of the risk of food allergies. Now that’s changing, too.
Human fertilization is the union of an egg and sperm, occurring primarily in the ampulla of the fallopian tube. [1] The result of this union leads to the production of a fertilized egg called a zygote, initiating embryonic development. Scientists discovered the dynamics of human fertilization in the 19th century. [2]
Pregnancy is the period of time during which the fetus develops, dividing via mitosis inside the uterus. During this time, the fetus receives all of its nutrition and oxygenated blood from the mother, filtered through the placenta , which is attached to the fetus' abdomen via an umbilical cord .
To prepare for the birth of the baby, health care providers recommend that parents attend antenatal classes during the third trimester of pregnancy. Classes include information about the process of labor and birth and the various kinds of births, including both vaginal and caesarean delivery , the use of forceps, and other interventions that ...
Fertilization occurs when the sperm cell successfully enters and fuses with an egg cell (ovum). The genetic material of the sperm and egg then combine to form the single cell zygote and the germinal stage of development commences. Human embryonic development covers the first eight weeks of development, which have 23 stages, called Carnegie stages.
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