Question

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Create a timeline, which is formatted as a table or flowchart, that includes the following for all the essential reproductive milestones from conception to postnatal stages

• 1. Describe the development milestones that occur in the stages of fertilization, embryonic development, fetal development, childbirth, and postnatal.Include 2.when each development milestone occurs.
• 3Describe the key changes that happen within the child and mother during each milestone.
  • 4. Highlight on your timeline when life begins, and provide your scientific rationale.

Answer 1

ANS)

STAGE	MILESTONE THAT OCCUR	KEY CHANGE IN CHILD AND MOTHER
Fertilization	There is a combination between the male and the female gamete. The sperm and egg fuse together and it has a tendency to create a zygote. The zygote is single-celled and division occurs out of here	There is not any visible change on the exterior from the mother but there some mechanism that is vital changes. Missed periods level of fertility and morning sickness are a Few of the early development in a mother
Fetal development	The embryo development begins after 8thweek in which all of the uteri fills. 14 months can identify the gender of the infant and over 16 to 20 weeks, a fetus can proceed.	In the fetus, the sex organ starts developing from the child. It starts developing bone, muscles and organ system. The brain's dimensions develop and the digestive and respiratory tract begins working in the uterus independent of the mother. During this, the weight gain starts as the fetus conveys the uterus because it begins growing. For preparing lactation, breast begins to develop. There is also, frequent urination, visible veins, and heartburn mood swings.
Embryonic development	The growth is the process where the embryo has been developed. The growth phase begins with cleavage of the zygote which creates the blastula. It has a fluid-filled cavity and gradually the gastrulation is formed by this. Where the neural tube is shaped, the development phase of neuralation follows this.	There is increased production of progesterone. There is maternal blood flow in the uterus and the placenta helps in transferring nutrients with the assistance of estrogen. In the baby, the zygote divides and after moving into the uterus which begins with the formation of two cells and gradually more until blastomeres are formed by it. The blastula is the stage of growth in which it forms a ball of cells and it's after 5 days of growth. This is followed by gastrulation where the cells of the body develop into endoderm, mesoderm, and ectoderm.
Post natal	The youngster slowly creates after the postnatal stage and at first couple of months, it benefits from just mother's milk.	After birth, the placenta is evacuated without anyone else yet because of the abundance extending it leaves a ton of stress marks. It is significant that placenta is totally expelled from framework
Childbirth	Amid labor, when the infant is prepared to turn out the water sack that secures the tire burst. This means the infant is prepared to come. Amid this, the child is completely created and just the placenta is connected to the mother.	The last days before the labor, there are numerous physiological changes that happen. The dimension of progesterone drops amid last days and it causes constriction of uterine muscles that causes exceptional torment while conveyance.