ICSI sperm injection into oocyte. Human oocyte cryopreservation (egg freezing) is a process in which a womanâs eggs (oocytes) are extracted, frozen and stored. Later, when she is ready to become pregnant, the eggs can be thawed, fertilized, and transferred to the uterus as embryos.
1 Night terrors are characterized by frequent recurrent episodes of intense crying and fear during sleep, with difficulty arousing the child. Night terrors are frightening episodes that disrupt family life.  A small percentage of children experience night terrors. Boys and girls are equally affected.
Sleep paralysis. Sleep paralysis is when, during awakening or falling asleep, one is aware but unable to move. During an episode, one may hear, feel, or see things that are not there. It often results in fear. Episodes generally last less than a couple of minutes. It may occur as a single episode or be recurrent.