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This sqadia.com medical video lecture shed light upon pregnancy and lactation. This V learning lecture provides an in-dept elaboration of fertilization, determination of sex, placenta and certain hormonal effects in pregnancy. Furthermore, parturition, stages of labour in conjunction with the lactation and the hormones affecting milk production have been conversed about.
Section one is about ´´Fertilization´´. At first, educator defines fertilization. After that process of fertilization is discussed. Then fertilization details are pursued. Subsequently, information is given on determining sex of the fetus. Likewise, transport of fertilized ovum in fallopian tube is highlighted. Lastly, educator talk about implantation of blastocyst into uterus.
Initially, early nutrition of embryo, placenta and functions of placenta have been brought under discussion. Moreover, developmental anatomy of placenta along with the placental circulation and diffusion has been elaborated. Subsequently, placental permeability, haemoglobin of fetus, Bohr effect alongside the diffusion of oxygen, nutrients and CO2 has been explicated.
In the beginning of this section educator focuses hormonal factors in pregnancy. After that functions of human chorionic gonadotrophin are reported. Role of estrogens is the next subject of discussion. Subsequently, function of estrogens are reported. Then progesterone is discussed. Furthermore, human chorionic somatomammotropin is explained. Moreover, other hormonal factors come under consideration. In the end, response of mother’s body to pregnancy is discussed.
Primarily, blood flow and cardiac output in pregnancy has been highlighted. Additionally, blood volume, maternal respiration and urinary system in pregnancy has been considered. Furthermore, amniotic fluid, preeclampsia, eclampsia, parturition along with the effects of oxytocin and fetal hormones has been explained. In the end, labour pains, stages of labour and involution of uterus after parturition has been mentioned.
In the commencement, the lactation, growth of ductal system and lobule alveolar system has been conversed about. Moreover, initiation of lactation, hormones along with the factors affecting breast milk quality have been shed light upon. Conclusively, ejection or let down of milk feedback, inhibitor of lactation and composition of natural milk has been conversed about.