I've a cat I took responsibility for a year ago. He is now 2 years old. He was 'fixed' before I got him. He was never declawed. He is usually REALLY good about not scratching furniture or things he shouldn't. Until Saturday morning. I left my closet open a crack, and he is a curious fellow, and loves the closet for some reason.
Ovarian dysgenesis is a major cause of premature menopause. Ovarian dysgenesis is seen in 30% of the cases.[3] Sex chromosome anomalies predominate as a cause. The commonest abnormality is 45X0 (Turner's syndrome). Chromosomal abnormalities are reported in 10-20% of cases involving X sex chromosomes.[3]
Menstruation, cessation of: The ending of a woman's menstrual cycles. Menstruation ends naturally in middle age with the onset of menopause. It can also end suddenly as a result of induced menopause. Cessation of menstruation in nonmenopausal women may be due to pregnancy, illness, disorders of the hypothalamus or pituitary gland, medication, stress, overexercise, or malnutrition, among other causes.