| Conception | Implantation | 1st Trimester. | 2nd Trimester. | 3rd Trimester |
|---|---|---|---|---|
|
Ovum and sperm unite.
What happens during conception?
|
implantation
The attachment of a
blastocyst to the endometrium is called? |
0-13 weeks.
How many weeks are in the first trimester?
|
13-26 weeks.
How long is the 2nd trimester?
|
27-40 weeks.
How long is the 3rd trimester?
|
|
Fallopian Tube
Where does fertilization occur?
|
Endometrial layer
About a week after ovulation, blastocyst snuggles up to the what?
|
Morning sickness, fatigue, mood swings.
What symptoms happen in the 1st trimester?
|
18-22 weeks.
In how many weeks, can you fully determine sex of
a fetus? |
True.
Can a baby detect light and shapes during pregnancy? True or false.
|
|
12-24 hours.
within how many hours does the egg divide and travel down the fallopian tube towards the uterus?
|
Corpus luteum; human chorionic gonadotropin (HCG)
Hormones produced by
the ___ are responsible for maintaining the pregnancy during the first few months. The hormone responsible for preventing degeneration of the corpus luteum is ___ produced by the trophoblast. |
Heart, eyes, organ and structure development.
What developments happen with the fetus at the end of 12 weeks?
|
20-21 weeks
At what week do babies get a sucking reflex and nap as much as a newborn?
|
Shortness of breath, Braxton hicks, heart burn, spider veins, hemorrhoids, frequent urination.
What symptoms happen in the third trimester?
|
|
100.
A high amount of sperm in the ejaculate is needed because only around ___ survive to enter reach the fertilization site.
|
Placenta
The area where nutrients, gases, and wastes are exchanged, and also produce progesterone.
|
Direct transfer of nutrients, hormones, and wastes between mother and offspring.
What does the placenta and umbilical cord provide?
|
Arms, and can move their joints and limbs.
At week 15, legs are growing larger than ___ and can move their___
|
Lungs.
What organ last develops in a baby?
|
|
23 chromosomes from the egg and 23 chromosomes of the sperm join and they become a zygote. It begins a process of dividing by mitosis in a process called cleavage.
Once the sperm reaches the inside of the egg, it sheds its tail, and the two nuclei fuse. What happens next?
|
Ectopic pregnancy
Implantation anywhere outside the uterus is called an___
|
Zygote.
During the first trimester alone your baby starts out as a single fertilized cell called a ___
|
Week 18, 4 months left!
Fetus can fully hear at what week of pregnancy?
|
Week 29.
During what week of pregnancy can a fetus make grasping movements?
|
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