“Nidation.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, www.merriam-webster.com/medical/nidation. Retrieved 11 October 2022. The migration of the young embryo into the uterus is facilitated by the contraction of muscle cells, smooth muscle cells and the movement of the cillscils of the cells of the mucous membrane. In women, the blastocyst implants in the uterus on the seventh day after fertilization: this is implantation. In the case of in vitro fertilization, this is done about four days after the embryos are transferred to the mother`s uterus. The IUD (intrauterine device) prevents the implantation of the embryo in the uterine lining. After implantation, the embryo begins to produce a hormone: hCG (human chorionic gonadostimulin), which has a similar effect to LHLH. hCG allows the preservation of the corpus luteum and the production of progesterone progesterone. Thanks to the action of the hormone hCG, the lining of the uterus is preserved, and menstruation does not take place: this is the beginning of pregnancy. Pregnancy tests Pregnancy tests involve detecting the hormone hCG in the mother`s urine. Implantation describes the stage at which a young embryo implants in the endometrium of the endometrium of the uterus, in mammals. In fact, after fertilization of fertilization, which takes place in the fallopian tubes, the egg moves to the uterus, while dividing into two, then four, eight.
The embryonic embryo becomes a morulamorula (small blackberry) on the fourth day after fertilization and a cyst of the blastocyte bladder on the sixth day. The latter includes a cavity called blastoceleblastocele. A baby is born through a transplanted uterus from a deceased donor A 28-year-old woman gives birth to a baby from a 27-year-old embryo Artificial uterus and molecular scissors: two of the incredible health innovations in 2017 Implantation of the fertilized egg (embryo) into the uterine lining (endometrium).
