Vocabulary
Pregnancy
Birth
Oogenesis
100

When the embryo is implanted in the uterus

What is being pregnant?
100
The number of trimesters in human pregnancy.

What is 3 trimesters?

100

Molecular and physical signals initiate these types of contractions in birth.

What is uterine contractions?

100
The hormone that encourages the growth of follicles. Follicles then undergo a 500 fold increase in volume. 

What is Follicle Stimulating Hormone?

200

What is the typical length of human pregancy?

38 weeks

200

The weeks of the third trimester.

What is weeks 26-Birth?

200
One system that symbiotic bacteria promote in the baby after birth. (3 options)

What are the immune, nervous, and gastrointestinal systems?

200

This is a thin layer of cells surrounding the primary oocyte.

What is the primary follicle?

300

When the embryo attaches to the uterus and burrows inside the uterine epithelium

What is implantation?

300

During this trimester the first molars form

What is the third trimester?

300

This is where the baby gets its first symbiotic bacteria.

What is the birth canal?

300

The phase that secondary oocytes are arrested in. 

What is the second meiotic metaphase?

400

Pregnancy is determined by ______, not by fertilization

What is implantation?

400

During this trimester the thyroid gland develops and secretes hormones necessary for growth of newly developed organ systems

What is the first trimester?

400

The opening between the right and left atria that closes when the baby takes its first breath. 

What is the foramen ovale?

400

The hormone that stimulates oocytes to complete the first meiotic prophase and become secondary oocytes.

What is Luteinizing hormone?

500

The dramatic change by incorporating the conceptus (refers to a pregnant female)

What is gravida?

500

This decreases the surface tension and prevents the alveolae of the lungs from collapsing.

What is superfactants?

500

The opening between the pulmonary artery and the aorta that closes when the baby takes its first breath.

What is the ductus arteriosus?

500

The paracrine factor released by primary oocytes which stimulates the granulosa cells to keep dividing and produce several layers to encircle oocyte.

What is GDF9?