Monday, 6 February 2012
Tuesday, 24 January 2012
e-forum : reproduction
Diluar negara pelbagai kaedah digunakan untuk meneruskan zuriat. Namun cara yang digunakan membawa pelbagai kontrovesi. Antaranya ialah:
- Bayi tabung uji
- Klon
- Projek genom
- Kejuruteraan genetik
- Bank bayi
REPRODUCTION 8: Fertilization in human
Hanya yang kuat akan dapat terus hidup.......
Dan yang kuat itu adalah kamu semua.
REPRODUCTION 7: What is premenstrual syndrome and menopause
Premenstrual
Syndrome (PMS)
—Premenstrual syndrome
(PMS) is a group of symptoms related to the menstrual cycle. PMS a cyclical
disorder of severe mental, physical and emotional distress.
—The syndrome always
happens 5 to 11 days before the menstruation starts.
—It will disappear
when the menstruation begins.
—The actual causes of
PMS are still unknown.
—However, PMS may be
related to the imbalance levels of oestrogen and progesterone hormones.
—Common physical
symptoms are headaches, fatigue feel bloated, breast tenderness, abdominal
pain, sleep disturbances and appetite changes including food cravings.
—The common emotional
symptoms are irritability tension, depression, confusion, anxiety, crying,
oversensitivity, and mood swings with alternating anger and sadness and lack of
concentration.
Menopause
—Menopause is a normal
change in a woman’s life when her menstruation stops.
—During menopause a
woman's body slowly produces less of the hormones estrogen and progesterone.
—This often happens
between the ages of 45 and 55, A woman has reached menopause when she has not
had menstruation for 12 months in a row.
—As a woman approaches
menopause she may experience symptoms from the changes that her body is
undergoing.
—These include hot
flushes, night sweats, sleeping problems, osteoporosis, mood changes, weight
gain and hair loss.
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