\- starts at the time of conception, when the sperm and the egg combine to form a zygote
\- the zygote begins to divide in order to implant into the uterine wall, once it’s complete, the next stage begins
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Fertilization
\- union of sperm cell and egg cell to form a new organism
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Zygote
\- the fertilized egg after the union of gametes
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Blastocyst
\- ball of cells that forms early during a pregnancy
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Implantation
\- process that occurs after a fertilized egg travels down the fallopian tube and burrows deep into the lining of the uterus, where it remains until delivery
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Corpus Luteum
\- gives nutrients to the fertilized egg in the Germinal Period
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Mother
\- where the blastocyst gets its nutrients when it forms
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Embryonic Stage
\- 2 weeks after conception
\- cell differentiation intensifies
\- life support systems for the embryo develops
\- organs appear
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Villi
\- tiny projections of placental tissue that look like fingers and contain the same genetic material as the fetus; root-like structures of the placenta
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Placenta
\- provides oxygen and nutrients to a growing baby
\- removes waste products form the baby’s blood
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Umbilical Cord
\- carries oxygen and nutrients to the fetus and waste products away from the fetus
\- two arteries and one vein
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Amniotic Sac
\- thin-walled sac that surrounds the fetus during pregnancy
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Fetal Stage
\- 8 weeks after conception
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3rd Month
\- when it’s now called a fetus
\- eyes, fingers, toes, and legs are developed
\- sucking of thumb
\- fetal heartbeat can be heard
\- movement of the fetus can be felt by the mother
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4th Month
\- sex of the fetus can be determined
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Ultrasound
\- imaging method that uses sound waves to produce images of structures within the body
\- diagnoses the causes f pain, swelling and infection in the body’s internal organs and to examine an unborn child in pregnant people
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Week 8
\- major organs begin and limbs to form
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Week 12
\- skin and nails form and internal organs start to develop
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Week 21
\- hair forms on body and head, facial features are obvious
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Week 32
\- brain grows rapidly, lungs continue to grow, bones on the head are soft
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Birth
\- ninth month
\- babies naturally rotate
\- breaking of amniotic sac, the cervical canal will widen
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Labor
\- muscular contractions of the uterus
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Labor Stage
\- stage 1: cervix will widen and contractions in the uterus to push the baby out
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Initial phase
\- cervix dilates to 3cm
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Active phase
\- cervix dilates to 7-10 cm
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Delivery
\- stage 2: baby starts to crown
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Stage 3
\- placenta and umbilical cord is taken out
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Pregnancy
\- term used to describe the period in which a fetus develops inside a person’s womb/uterus
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Infertility
\- defined as not being able to get pregnant after one year of unprotected sex
Studied by 15 people
Note 
Flashcard (20)