Menstrual cycle 101 Flashcards
which hormone stimulates the follicles in the ovaries to develop
FSH (Follicular Stimulating Hormone)
Estrogen rises quite a bit during approximately days 7-12
What is the source of that estrogen
Follicles in the ovaries
Which hormone triggers ovulation
Luteinizing hormone (LH)
Which hormones do ovulation poredictor kits detect
Luteinizing hormone (LH)
Some ovulation predictor kits detect luteinizing hormone plus another hormone…which hormone
Estrogen…..because a rise in estrogen gives a few more days’ notice prior to ovulation
Which phase of the ovarian cycle is the corpus luteum involved in
Luteal phase
if a person does not get pregnant during a cycle, the corpus luteum is not needed and it goes away. If a person does get pregnant during a cycle, the corpus luteum sticks around.
what is responsible for signaling the corpus luteum to stick around
Rise in human chorionic gonadotropin (HCG)
What are the post fertilization events
- Fertilization
- Cleavage
- Morula
- Blastocyte
- Implantation
When does Fertilization occur
Occurs within the uterine tube 12-24 hours after ovulation
when does cleavage occur
first cleavage completed about 30 hours after fertilization
When does Morula
3-4 days after fertilization
When does Blastocyst occur
4 1/2 - 5 days after fertilization
When does implantation occur
Occurs about 6 days after fertilization
The blastocyst is completely implanted in the endometrium at how many days after fertilization
10-12 days
Mos
Which embryonic structures are developing right around the time of the expected next menstrual bleed
heart and central nervous system
