dr.ramyasree b

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249 sahifa dr.ramyasree b — PPTX

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obs 2020 day 1 obs 2020 day 1 dr ramyasree b dr.ramyasree b dnb obg infertility specialist mrcog 1 national wide faculty for obg for neet pg aspirants and fmge students received certificate of merit for being topper in mbbs phase3 part 1 examsin 2009 winner of state level quiz on contraception at ksoga 2015 life member of fogsi , ima . presented many cases in bsog f 1q) do sequential arrangement of the following ? a. primary oocyte b.secondary oocyte c. first polar body d.second polar body e. oogonia spermatogenesis spermatogenous starts at puberty 1 spermatogonium gives rise to 16 primary spermatocytes each spermatocyte gives rise to 4 sperms maturation spermatid takes place in seminiferous tubules maturation of sperm takes place in epididymis sperm life span – 72 hrs size of sperm 55 microns oogenesis ovulation lh surge precedes ovulation by 34-36 hours. lh peak precedes ovulation by 10-16 …

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y oocyte arrest in metaphase of 1st meiotic division d. secondary oocyte arrest in metaphase of 2nd meiotic division e. 1 st polar body is extruded during 1 st meiotic division of primary oocytes capacitation fertilisation and further development fertilisation occurs in the ampullary part of fallopian tube* as fertilisation of the ovum occurs and a zygote is formed, it undergoes cleavage to form 2, 4, 6 cell stage. this cleavage continues till it is 16 cell staged and is called as morula* zygote enters the uterine cavity in the form of- morula* zygote enters the uterine cavity - on 18th day of menstrual cycle i.e 4 days after the fertilisation* the morula now undergoes diffrentiation to form the inner cell mass(embryoblast) and the outer cell mass(trophoblast) some fluid passes from the uterine cavity into the morula. so that the embryoblast attaches to trophoblast on one side only. the morula …

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ks and till delivery placenta normal development functions abnormal placenta placenta human placenta is discoid, hemochoroidal, deciduate fetal component—chorion frondosum maternal component—decidua basalis the placenta at term: diameter = 15–20 cm thickness = 2.5 cm weight = 500 g birth weight-to-placenta weight ratio = 6:1 at 17 weeks birth weight-to-placenta weight ratio 1:1 • at term, four-fifths of the placenta is of fetal origin. sequential arrangement of layers of placenta from maternal to fetal ? a. cytotrophoblast b.syncitiotrophoblast c. extraembryonic mesoderm d. decidua basalis e. fetal capillary endothelium the villi carry fetal blood volume = 350 ml. • intervillous space-which has maternal blood. volume = 150 ml the uteroplacental blood flow at term is 450-650 ml/min. the fetal blood flow through the placenta is about 400 ml/min. development placenta starts to form by 6 weeks and ends by 16 weeks primary villi on day 12 secondary villi on day 16/17 …

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specific p, glycoprotein - pregnancy associated plasma protein a (papp-a) q) true about hcg: a. a subunit is identical to lh, fsh and tsh b. causes involution of corpus luteum c. doubles in 7-10 days d. max. level seen at 60-70 days of gestation e. detected in serum and urine 8-9 days after fertilization human chorionic gonadotrophin • it is a glycoprotein hormone • this hormone has highest carbohydrate content of any human hormone • it has 2 subunits: - a subunit-biologically similar in lh, fsh and tsh - beta subunit-unique to hcg (specific) • structurally it is similar to lh, fsh, tsh but functionally it is similar to lh (i.e. luteotropic), i.e. helps in maintaining corpus luteum • half-life ofhcg is 24-36 hours • doubling time = 2 days ( 1 .4-2 days) • it can be detected in maternal serum as early as 8 days following fertilization/day 22 …

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and nonimmune) e. syphilis (due to inflammation and edema) 2. small placentas postdatism iugr placental infarcts placenta succenturiata may have all 1. preterm delivery 2. pph 3. missing lobe 4. sepsis and subinvolution a) 1,2,3 b)1,2,3,4 c)2,3,4 d)3,1,4 extra chorial placentation : circummarginate placenta here the chorionic plate is covered by a single fold of amnion and chorion and there is fibrin and old hemorrhage between the placenta and overlying amnio-chorion. thus the transition between fetal surface and maternal surface is smooth. (ii) circumvallate placenta here chorionic plate is covered by a double fold of amnion and chorion so between maternal surfaceand fetal surface a value like structure i s seen. sonographically this double fold appears as a thick linear band or echo on shelf-like structure risk of aph and preterm labour circumvallate circummarginate succenturiate lobes velamentous placenta a 32-year-old, primigravidsa 34 weeks pregnant. she has had one previous caesarean …

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obs 2020 day 1 obs 2020 day 1 dr ramyasree b dr.ramyasree b dnb obg infertility specialist mrcog 1 national wide faculty for obg for neet pg aspirants and fmge students received certificate of merit for being topper in mbbs phase3 part 1 examsin 2009 winner of state level quiz on contraception at ksoga 2015 life member of fogsi , ima . presented many cases in bsog f 1q) do sequential arrangement of the following ? a. primary oocyte b.secondary oocyte c. first polar body d.second polar body e. oogonia spermatogenesis spermatogenous starts at puberty 1 spermatogonium gives rise to 16 primary spermatocytes each spermatocyte gives rise to 4 sperms maturation spermatid takes place in seminiferous tubules maturation of sperm …

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