Fertility Flashcards
(40 cards)
What is the life stages of fertility for women?
Premenarche, fertility (at menarche) and gradual decline in fertility until perimenopause and then menopause
What are the life stages of fertility for men?
Preadolescene, puberty and gradual decline in fertility
What is adolescence?
Puberty and psychological development.
Premenarche
Before first period
What is puberty?
Start of ability to procreate with egg release or sperm production
What is adrenarche?
Adrenal development toward puberty.
What is thelarche?
Breast development to puberty.
What is pubarche?
Pubic hair development to puberty.
What is menarche?
First menstrual period.
What is menopause?
Time of last menstrual bleed being over 12 months.
What is clicteric?
Any Period of time before menopause such as 10 years
What is perimenopause?
12 months before menopause
What cell does FSH act on in males?
Sertolli cells for spermatogenesis.
What occurs in preadolescence?
Intermittent very low levels of gonadotrophin hormone is released from the hypothalamus which is immature. Therefore there is no spermatogenesis, no maturation of the ovarian follicle.
Which factors affect onsent of menarche?
Body weight, periods of light and darkness, diet and nutrition and socioeconomic class.
What weight does adolescent spurt occur?
At 30kg
What weight does menarche occur?
At 46kg
What is precoscious puberty?
Menarche before 9 years old, which is indicative of cerebral tumour or epiphyseal fusion or congeital adrenal hyperplasia.
What is epiphyseal fusion?
Chondrocytes for endochrondral proliferation are exhausted so oestrogen levels induce sensescence of bone growth.
What is delayed puberty?
Menarche after 16 years old and is indicative of congenital abnormality affecting gonads, malnutrition or chromosomal abnormality.
What is the pattern of development for puberty?
Growth spurt at 11 years old along with Tanner stages 1-4 of breast and pubic hair development at the same time. At 13 years old, menarche with ovulation at 14.
What increases the likelihood of pregnancy?
Having unprotected sex frequently- after 12 months, it is 100%.
What is subfecund?
When a couple has unprotected sex and after 12 months, they don’t conceive.
What decreases pregnancy rate?
Smoking, pathology and higher female age.