REPRODUCTIVE SYSTEM Session 13 Flashcards
1
Q
After how many days is a baby considered a fetus ?
A
- 9th week after conception or week 11 after the last menstrual period
2
Q
In the placenta , what does the human chorionic gonadotropin (HCG) help with ?
A
- it maintains the corpus luteum
3
Q
What does rising amounts of HCG stimulate ?
A
- It stimulates the corpus lute to produce increasing amounts of progesterone
4
Q
What does the increasing amount of progesterone in the corpus luteum help to do ?
A
- shuts down the hypothalamus and anterior pituitary , so no new follicles begin to develop
- Maintains the uterine lining where the new embryo now resides , preventing menstruation
5
Q
What do both oxytocin and prolactin stimulate in breastfeeding ?
A
- Oxytocin : stimulates milk release from the breast
- Prolactin : stimulates additional milk production
6
Q
What does infertility mean ?
A
- Failure of a couple to achieve pregnancy after 1 year of regular , unprotected intercourse
7
Q
What are causes of infertility?
A
- low sperm count
- large proportion of abnormal sperm
- smoking and alcohol consumption
- Endometriosis
8
Q
What is Artifical Insemination by donor (AID)?
A
- Its when sperm are placed in the vagina by a physician
9
Q
what is Intrauterine insemination ?
A
- its when fertility drugs are given to stimulate the ovaries then sperm are placed in the uterus
10
Q
What is in Vitro Fertilization (IVF)?
A
- conception occurs in laboratory glassware and then after 2-4 days the embryos are transferred into the uterus.
11
Q
What is a Intracytoplasmic Sperm injection ?
A
- this is when a sperm is injected into an egg
12
Q
What is Gamete Intrafallopian Transfer (GIFT)?
A
- Its the same as IVF except that the eggs and sperm are placed immediately into the uterine tube after
13
Q
What are surrogate mothers ?
A
- When women are contracted and paid to have babies
