Case Reports Journal Article prenatal diagnosis Review ultrasound Caesarean section Dandy-Walker Joel-Cohen incision Pfannenstiel-Kerr Seckel Syndrome Stüve-Wiedemann Syndrome amniotic fluid index anemia anterior segment of the eye bilateral clubfoot bird-headed appearance birth wight borderline ovarian tumor chemotherapy chromosome 1 congenital aphakia congenital high airway obstruction diagnosis diagnostic ultrasound dwarfism fertility sparing surgery intermediate 1q deletion syndrome interstitial deletion intrauterine pregnancy iron supplementation