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A 'neo-vagina' can be constructed for those girls and women who do not have a vagina. [42] [43] Vaginal septa are treated surgically. [44] [45] The most common vaginal anomaly is an imperforate hymen. This anomaly occurs often enough that it can be detected by some pediatricians shortly after birth.
These animals are usually sterile due to the different numbers of chromosomes between the two parents. The imbalance results in offspring that is viable but not fertile, as is the case with the mule. Sterility can also be caused by selective breeding, where a selected trait is closely linked to genes involved in sex determination or fertility.
XY complete gonadal dysgenesis, also known as Swyer syndrome, is a type of defect hypogonadism in a person whose karyotype is 46,XY. Though they typically have normal vulvas, [1] the person has underdeveloped gonads, fibrous tissue termed "streak gonads", and if left untreated, will not experience puberty.
Vaginal hypoplasia can vary in severity from being smaller than normal to being completely absent. The absence of a vagina is a result of vaginal agenesis.Diagnostically, it may look similar to a vaginal obstruction such as can be caused by an imperforate hymen or, less commonly, a transverse vaginal septum.
The ova, which are the female sex cells, are much larger than the spermatozoon and are normally formed within the ovaries of the female fetus before birth. They are mostly fixed in location within the ovary until their transit to the uterus, and contain nutrients for the later zygote and embryo .
The male reproductive system is a series of organs located outside the body and around the pelvis region of a male that contribute towards the reproduction process. The primary direct function of the male reproductive system is to provide the male sperm for fertilization of the ovum. [3]
Three years, five egg retrievals, 10 embryo transfers, 19 embryos and $165,000 later, and I’m exactly where I started. Only, broke and broken.
Fertilization was not understood in antiquity. Hippocrates believed that the embryo was the product of male semen and a female factor. Aristotle held that only male semen gave rise to an embryo, while the female only provided a place for the embryo to develop, [5] a concept he acquired from the preformationist Pythagoras.