HORMONAL IMBALANCE EFFECTS ON GETTING PREGNANT
Symptoms of Hormone Imbalance & Unable to Get Pregnant
A
number of hormones affect the reproductive tract. Getting pregnant
requires that the delicate balance of hormones is intact; any
disturbance in the hormone balance can result in menstrual difficulties
that prevent pregnancy. The menstrual cycle depends on a balance of
estrogen, a form of estradiol, follicle-stimulating hormone (FSH),
luteinizing hormone (LH) and progesterone, as well as other hormones
Amenorrhea
Amenorrhea means
an absence of periods. When you’re not having any periods, the balance
of hormones is usually upset. Several types of hormone imbalance can
cause amenorrhea. High FSH levels (usually due to premature ovarian
failure), menopause or perimenopause--the period several years before
menopause--can cause amenorrhea. Low estrogen levels often accompany
high FSH levels and can also lead to lack of menstrual periods. High
levels of prolactin, a hormone produced by the pituitary during
lactation, can also be caused by pituitary tumors (among other causes)
and can cause amenorrhea, according to the National Endocrine and
Metabolic Diseases Information Service.
Short Menstrual Cycles
Because menstrual
cycles usually consist of approximately 14 days of follicular or egg
development and 14 days of luteal phase, or post-ovulatory phase,
anything that shortens either phase can result in periods that are
unusually close together. Periods that occur closer together than 28
days may be due to high estrogen levels. These result in an egg being
produced early in the menstrual cycle, before Day 14. Short cycles can
also be related to low progesterone levels after ovulation, a condition
known as luteal phase defect, or LPD. Low progesterone levels may not
maintain the uterine lining after ovulation for a full 14 days,
according to Georgia Reproductive Specialists.
Long Menstrual Cycles
Long menstrual
cycles, or periods that are further apart than every 35 days, may be
caused by polycystic ovary syndrome or PCOS. PCOS is caused by an
increased level of the male hormones (androgens), according to the Mayo
Clinic, and an imbalance in the ratio of LH to FSH, which is normally
1:1 but changes to 2:1 in PCOS. PCOS can also cause heavy periods.
Anovulation
Low levels of the
hormone LH can result in a syndrome called luteinized unruptured
follicle, or LUF. In LUF, an egg develops in a follicle but the LH
doesn’t rise high enough to cause release of the egg, resulting in a
lack of ovulation (anovulation), according to Georgia Reproductive
Specialists.
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