Events of pregnancy

*Events of Pregnancy :*

*Day 0 - Fertilization.*

*Day 4 - Morula.*

*Day 5 - Blastocyst.*

*Day 6 - Implantation Starts.*

*Day 8 - bHCG Dtart Synth.*

*Day 11 - Implantation Completed.*

*Day 11 - Uteroplacentl Circulation.*

*Day 13 - Primary Villi Forms.*

*Day 14 - Haematopoisis Starts In Yolk Sac.*

*Week 2 - Bilaminar Disc.*

*Week 3 - Gastrulation, Trilaminar disc.*

*Day 21 - Fetoplacentl Circulation.*

*Day 25 - Anterior Neuropore Closes.*

*Day 27 - Posterior Neuropore Closes.*

*Week 4-5 - Gestatnl Sac.*

*Week 5-44 -  Somites Formed.*

*Week 6 - Fetal Cardiac Activity by TVS.*

*Week 7 - Embryonic Movement.*

*Week 3-8 - Embryo.*

*Week 8-14 - Max Risk of Radiation.*

*Week 9 - Early Detectn of Anencephaly.*

*Week 10 - Physiolog Umb Hernia.*

*Week 11 - Thyroxine Productn Starts, Breathing Movmt Begins.*

*Week 12 - Urine Productn Starts, ADH Functns.*

*Week 10-12 - Chorionic V Samp Done.*

*Week 11-13 - Nuchal Translucency Checked.*

*Week 12-18 - Amniocentesis Done.*

*Week 18 & Above - Cordocentesis.*

*Week 18 - Anamoly Scan.*

*Week 16 - Quickening Starts (Multi), Week 18 (Primi).*

*Week 20 - Meconium Forms, Keratinstn of Fetal Skin.*

*Week 20 - External Balotment.*

*Above Week 20 - No Abortn Performed.*

*Week 24-28 - GDM Screening.*

*Less Than Week 28 - Extremly Premature.*

*Week 28-32 - Very Premature.*

*Week 30-32 - Maternal Blood Volume Reach Max.*

*Week 38 - Lightening Of Pressure Symptom.*

*Above Week 42 - Post Mature.*