Friday, June 14, 2019

Events of Pregnancy



Day 1...fertilization

Day 4....morula

Day 5....blastocyst

Day 6....implantation start

Day 8....bhcG start synth

Day 11...implantation completed

Day.11....uteropacental circulation

Day 13.....primary villi form

Day 14 ....hematopoiesis starts in yolk sac

Week 2 bilamenar disc

Week 3....gastrulation.. Trilaminar disc

Day 21...fetoplacental circulation

Day 25....anterior neuropore closes

Day 27.....posterior neuropore closes

Week 4--5.....gestatnal sac

Week 5--44....somites formed

Week 6.....fetal cardiac activity by TVs

Week 7....embryonic movement

Week 3---8...embryo

Week 8 to 14......max risk of radiation

Week 9.....Early drtectant of anacepholy

Week 10.....physolog umb hernia

Week 11...tyroxine production start

Week 12...urine production start,adh functions

Week 10 to 12.....amniocentesis done

Week 18 and above......Cardocentesis

Week 20......meconium forms
Above week 20.....no abortion performed

Week 24----28.....gdm screaming

Less than week 28..... externally premature

Week 28----32....very premature

Week 30 to 32...maternal blood volume

Week 38..... lightening of pressure symptoms

Above week 42....post mature.
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