Luteinizing hormone (LH) plays an important role in ovulation and the formation of the corpus luteum in the ovaries. Several questions are asked and answered regarding LH function, how it relates to fertility and ovulation, and what factors can influence LH levels. Nutrients like cholesterol are required for the formation of LH and testosterone. Irregular periods and difficulty conceiving may be associated with low or irregular LH levels.
What is puberty?
Puberty is the time in life when a person becomes sexually mature. It is a physical change that usually happens between ages 10 and 14 for girls and ages 12 and 16 for boys. Some African American girls start puberty earlier than white girls, making their age range for puberty 9 to 14.
Puberty starts when a part of the brain called the hypothalmus begins releasing a hormone called gonadotropin releasing hormone (GnRH).
GnRH then signals the pituitary gland to release two more hormones - luteinizing hormone (LH) and follicle-stimulating hormone (FSH) – to start sexual development.
A study funded in part by NICHD has identified a gene that appears to be the crucial signal for the beginning of puberty. Without a functioning copy of the gene, known as GPR54, humans appear unable to enter puberty normally.
What is puberty?
Puberty is the time in life when a person becomes sexually mature. It is a physical change that usually happens between ages 10 and 14 for girls and ages 12 and 16 for boys. Some African American girls start puberty earlier than white girls, making their age range for puberty 9 to 14.
Puberty starts when a part of the brain called the hypothalmus begins releasing a hormone called gonadotropin releasing hormone (GnRH).
GnRH then signals the pituitary gland to release two more hormones - luteinizing hormone (LH) and follicle-stimulating hormone (FSH) – to start sexual development.
A study funded in part by NICHD has identified a gene that appears to be the crucial signal for the beginning of puberty. Without a functioning copy of the gene, known as GPR54, humans appear unable to enter puberty normally.
Puberty & adolescence by Pandian M, Tutor, Dept of Physiology, DYPMCKOP,MHPandian M
Introduction
Components of puberty
Sudden spurt of physical growth
Appearance of secondary sex characters
Stages of development of secondary sex characters.
Types of secondary sex characters.
Hormonal changes during puberty
Control of onset of puberty
Applied aspects
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Puberty is the process of physical changes through which a child's body matures into an adult body capable of sexual reproduction. It is initiated by hormonal signals from the brain to the gonads: the ovaries in a girl, the testes in a boy. In response to the signals, the gonads produce hormones that stimulate libido and the growth, function, and transformation of the brain, bones, muscle, blood, skin, hair, breasts, and sex organs. Physical growth—height and weight—accelerates in the first half of puberty and is completed when an adult body has been developed. Until the maturation of their reproductive capabilities, the pre-pubertal physical differences between boys and girls are the external sex organs.
On average, girls begin puberty around ages 10–11; boys around ages 11–12. Girls usually complete puberty around ages 15–17, while boys usually complete puberty around ages 16–17. The major landmark of puberty for females is menarche, the onset of menstruation, which occurs on average between ages 12–13; for males, it is the first ejaculation, which occurs on average at age 13. In the 21st century, the average age at which children, especially girls, reach puberty is lower compared to the 19th century, when it was 15 for girls and 16 for boys. This can be due to any number of factors, including improved nutrition resulting in rapid body growth, increased weight and fat deposition, or exposure to endocrine disruptor such as xenoestrogens, which can at times be due to food consumption or other environmental factors. Puberty which starts earlier than usual is known as precocious puberty. Puberty which starts later than usual is known as delayed puberty.
Notable among the morphologic changes in size, shape, composition, and functioning of the pubertal body, is the development of secondary sex characteristics, the "filling in" of the child's body; from girl to woman, from boy to man. Derived from the Latin puberatum (age of maturity), the word puberty describes the physical changes to sexual maturation, not the psychosocial and cultural maturation denoted by the term adolescent development in Western culture, wherein adolescence is the period of mental transition from childhood to adulthood, which overlaps much of the body's period of puberty.
We have simply to open the floodgates of the dam; through NAMASMARAN; so that all kinds of experiences in life hitherto blocked below subcortical levels; are “sucked”; into cerebral cortex! All the relationships and interactions of life; are thereby quickly evolved and culminated into, sublime and eternal experience of CEREBRAL ORGASM; that is the dawn of individual and global blossoming!
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Puberty & adolescence by Pandian M, Tutor, Dept of Physiology, DYPMCKOP,MHPandian M
Introduction
Components of puberty
Sudden spurt of physical growth
Appearance of secondary sex characters
Stages of development of secondary sex characters.
Types of secondary sex characters.
Hormonal changes during puberty
Control of onset of puberty
Applied aspects
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Puberty is the process of physical changes through which a child's body matures into an adult body capable of sexual reproduction. It is initiated by hormonal signals from the brain to the gonads: the ovaries in a girl, the testes in a boy. In response to the signals, the gonads produce hormones that stimulate libido and the growth, function, and transformation of the brain, bones, muscle, blood, skin, hair, breasts, and sex organs. Physical growth—height and weight—accelerates in the first half of puberty and is completed when an adult body has been developed. Until the maturation of their reproductive capabilities, the pre-pubertal physical differences between boys and girls are the external sex organs.
On average, girls begin puberty around ages 10–11; boys around ages 11–12. Girls usually complete puberty around ages 15–17, while boys usually complete puberty around ages 16–17. The major landmark of puberty for females is menarche, the onset of menstruation, which occurs on average between ages 12–13; for males, it is the first ejaculation, which occurs on average at age 13. In the 21st century, the average age at which children, especially girls, reach puberty is lower compared to the 19th century, when it was 15 for girls and 16 for boys. This can be due to any number of factors, including improved nutrition resulting in rapid body growth, increased weight and fat deposition, or exposure to endocrine disruptor such as xenoestrogens, which can at times be due to food consumption or other environmental factors. Puberty which starts earlier than usual is known as precocious puberty. Puberty which starts later than usual is known as delayed puberty.
Notable among the morphologic changes in size, shape, composition, and functioning of the pubertal body, is the development of secondary sex characteristics, the "filling in" of the child's body; from girl to woman, from boy to man. Derived from the Latin puberatum (age of maturity), the word puberty describes the physical changes to sexual maturation, not the psychosocial and cultural maturation denoted by the term adolescent development in Western culture, wherein adolescence is the period of mental transition from childhood to adulthood, which overlaps much of the body's period of puberty.
We have simply to open the floodgates of the dam; through NAMASMARAN; so that all kinds of experiences in life hitherto blocked below subcortical levels; are “sucked”; into cerebral cortex! All the relationships and interactions of life; are thereby quickly evolved and culminated into, sublime and eternal experience of CEREBRAL ORGASM; that is the dawn of individual and global blossoming!
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One test can save your life. Know what a Follicle Stimulating Hormone(FSH) is, why you should have it, who should get it, and where can you get tested as well as get your results fast. If you want to read more about Follicle Stimulating Hormone(FSH), click the link below.
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Reproductive and child health ensures that people have the ability to reproduce and regulate their fertility;
women are able to go through pregnancy and child birth safely, that the outcome of pregnancy is successful in term of maternal and infant survival and well being and couples are able to have sex relation free of fear of pregnancy and contracting diseases
Clinical definitions
Infertility is “a disease of the reproductive system defined by the failure to achieve a clinical pregnancy after 12 months or more of regular unprotected sexual intercourse
“Infertility is the inability of a sexually active, non-contracepting couple to achieve pregnancy in one year
The male partner can be evaluated for infertility or sub fertility using a variety of clinical interventions, and also from a laboratory evaluation of semen.”
1. Luteinizing Hormone
Understanding Luteinizing hormone
http://lhhormone.org
Sandra asks…
How is the name luteinizing hormone appropriate for its function?
Help
Pregnancy Advisor’s answers:
- luteinization is the process of formation of corpora lutea.
- corpora lutea is a yellowish mass of progesterone-secreting endocrine tissue that forms
immediately after ovulation from the ruptured follicle in the ovary (its formation is induced by
luteinizing hormone)
- the literal meaning of corpus luteum is yellowish body (new latin)
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2. Laura asks…
What happens to the Luteinizing Hormone level if fertilization?
What happens to the Luteinizing Hormone level if fertilization is occur
Pregnancy Advisor’s answers:
Nothing. The luteinizing hormone is what surges just before ovulation. It’s already subsided
after you ovulate. What increases is progesterone. That is what will support a pregnancy until
the placenta is mature enough to take over.
HCG is the hormone that a pregnancy test looks for – not LH!
Donna asks…
2/6
3. What conditions effect the Luteinizing Hormone (LH)?
Women who are ovulating have an LH surge when they are most fertile, but both men and
women have the LH hormone in their bodies. What other conditions can cause an LH surge in
the body? such as medications or high sugar? Any other condition as well.
Pregnancy Advisor’s answers:
Hi
this will be of help…
Lisa asks…
What nutrients are required for the formation of luteinizing
hormone and testosterone?
Pregnancy Advisor’s answers:
3/6
4. Steroid based hormones typically form from cholesterol. I forgot the rest but mainly that is it.
You shouldn’t need to do anything extra to have enough nutrients in your body to make
hormones.
Jenny asks…
What does my Follicle Stimulating Hormone and Luteinizing
results mean?
Okay, I just got my results back from my hormone test, and my results are as follow:
FSH 0.93
LH 4.12
Can someone please help me interpret the results because I’m so confused about the values. I
don’t know if this is a good or bad.
Thanks!
P.S
I have very irregular periods and my doctor said I might not be ovulating and I’m trying to
conceive.
Pregnancy Advisor’s answers:
4/6
5. It really depends on where you are in your cycle . . . These levels vary whether you are on CD3
/ towards the start of your cycle to CD21 towards the middle of the cycle and then the end of
your cycle.
FSH is follicle stimulating hormone – basically it gives you a good indication of your egg count
and quality. LH is similar – also giving an indication of ovarian reserve . . . Along with an
indication of whether or not you ovulated. They rise and fall with each other over the course of
your cycle.
I wouldn’t stress yourself out over the values – ovulation issues are usually very treatable – just
take it step by step with your doctor.
Here are some links that you can research your values based on where you are in your cycle:
http://women.webmd.com/luteinizing-hormone?page=2
http://women.webmd.com/follicle-stimulating-hormone?page=2
Good luck and baby dust!
Linda asks…
What can I do to Stimulate both my luteinizing hormone (LH) and
follicle-stimulating hormone (FSH)?
5/6
6. Pregnancy Advisor’s answers:
Why do u want to stimulate them..let your body do its own thing
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Answering Your Questions on LH Surge
http://LHSurge.org
Luteinizing Hormone
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