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It is the most common birth defect of the male genital tract. [1] About 3% of full-term and 30% of premature infant boys are born with at least one undescended testis. [ 2 ] However, about 80% of cryptorchid testes descend by the first year of life (the majority within three months), making the true incidence of cryptorchidism around 1% overall.
Heart disorders (Congenital heart defects) Hemifacial microsomia; Holoprosencephaly; Huntington's disease; Hirschsprung's disease, or congenital aganglionic megacolon; Hypertrichosis; Hypoglossia; Hypomelanism or hypomelanosis (albinism) Hypospadias; Haemophilia; Heterochromia; Hemochromatosis
Complete trisomy 8 causes severe abnormalities on the developing fetus and can be a cause of miscarriage. [2] [3] Complete trisomy 8 is usually a gestational lethal condition, whereas trisomy 8 mosaicism is less severe and individuals with a low proportion of affected cells may exhibit a comparatively mild range of physical abnormalities and developmental delay. [4]
Many organ systems are affected by triploidy, but the central nervous system and skeleton are the most severely affected: . Common central nervous system defects seen in triploidy include holoprosencephaly, hydrocephalus (increased amount of cerebrospinal fluid within the brain), ventriculomegaly, Arnold–Chiari malformation, agenesis of the corpus callosum and neural tube defects.
Twin-to-twin transfusion syndrome (TTTS), also known as feto-fetal transfusion syndrome (FFTS), twin oligohydramnios-polyhydramnios sequence (TOPS) and stuck twin syndrome, is a complication of monochorionic multiple pregnancies (the most common form of identical twin pregnancy) in which there is disproportionate blood supply between the fetuses.
Preterm birth, also known as premature birth, is the birth of a baby at fewer than 37 weeks gestational age, as opposed to full-term delivery at approximately 40 weeks. [1] Extreme preterm [ 2 ] is less than 28 weeks, very early preterm birth is between 28 and 32 weeks, early preterm birth occurs between 32 and 34 weeks, late preterm birth is ...
An Alabama woman who has an extremely rare double uterus and got pregnant in both gave birth to twins last week a ... Cleveland Clinic, the condition of being born with two uteri is called uterus ...
Congenital clubfoot occurs in 1 to 4 of every 1,000 live births, making it one of the most common birth defects affecting the legs. [6] [3] [7] About 80% of cases occur in developing countries where there is limited access to care. [6] Clubfoot is more common in firstborn children and males.