Clinical correlates of Developmental Anatomy
Gametogenesis Long prophase in oogenesis NON dis junction Abnormal gametes Abnormal Oocytes Abnormal Sperms
Spermatogenesis Aspermia Oligospermia Azoospermia
Contraception Contraceptive pills Intra Uterine devices Barrier contraceptives Surgical sterilization
Assisted reproductive techniques Dispermy and triploidy IVF Intracytoplasmic sperm injection Cryopreservation GIFT ZIFT Surrogate mothers
Fertilization & cleavage Non disjunction in early mitotic divisions of zygote Abnormal zygotes are usually missed
Ectopic implantation
Invasive Mole, Choriocarcinoma Hyadatidiform Mole Partial Dispermy Complete Dispermic fertilization Monospermic fertilization Invasive Mole, Choriocarcinoma
Basis of Pregnancy Test Syncitiotrophoblast secretes HCG Maintains corpous leuteum Basis for pregnancy test
Fate of primitive streak By end of 4th week diminishes Degenerates completely Sacrococygeal teratoma
Teratogenesis associated with gastrulation Chordoma Teratogenesis associated with gastrulation Highly sensitive stage Fate maps for major systems can be drawn
ABNORMALITIES Placenta Accreta. Placenta Percreta Placenta Previa Site of attachement of Umbilical cord Centre (usual) Battle dore: margin