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Female Infertility

What are the organs of Female Reproductive System?

Surya Fertility Centre is the best centre Fertility Centre in Hyderabad,Female Infertility Conception in the Female reproductive system is concerned with copulation, fertilization, growth and development of the fetus and its birth. The organs of female reproductive system are divided into:

A. External genitalia (vulva, pudendum): External genitalia include mons veneris, labia majora, labia minora, clitoris, vestibule and perineum. These organs are visible externally and are concerned with copulation and parturition.

B. Internal genitalia:These include vagina, uterus, fallopian tubes and the ovaries. These organs are placed internally and require special instruments for inspection.

It is the organ of copulation and forms the birth canal of parturition. It is highly sensitive and has got enough power of distensibility as evident during childbirth. The diameter of vagina is about 2.5 cm, being widest at its upper part and narrowest at its introitus. Length of vagina is 7 to10 cm. Cervix, the mouth of uterus lies at the apex of vagina.

Uterus: This is the organ where pregnancy normally grows. During pregnancy, the uterus serves for reception, implantation, retention, nutrition of fetus, which it then expels during labor.

Uterus is pyriform in shape, measures about 8cm long, 5cm wide and 3cm thick. It weighs 50 to 80 grams. Uterus has triangular cavity which is lined by a lining of cells called endometrium. This endometrium normally sheds during each menses leading to periods.

Cervix: this is also called mouth of the uterus, is cylindrical in shape and measures about 2.5 cm. at its lower end it opens in the upper part of vagina. Cervix secretes important secretions and cervical mucus which has important part in passage of sperms in uterine cavity.

Fallopian tube (uterine tube, oviduct): These are paired structures, measuring about 10 cm. Each tube has got two openings, one communicating with the lateral angle of the cavity called uterine opening, measures 1 mm in diameter and the other opening on the lateral end called abdominal opening measuring about 2 mm in diameter. The lateral end of tube is called fimbrial end, as it has fingerlike projections called fimbrias that help in pick up of the oocyte after its release from the ovary after ovualation.

The important functions of tubes are transport of the gametes, to facilitate fertilization and survival of zygote through its secretions. Normally fertilization occurs in the middle part of tube (ampullary part), further development of zygote takes place upto morula and blastula stage of embryo. Gradually the embryo is transported by the cilliary actions of the lining cells towards the uterine cavity, where it gets finally implanted after three days of fertilization.

The ovary: The ovaries are paired sex gonads in female which are concerned for germ cell maturation, storage and its release during ovulation and female hormonal production. It is oval in shape, measures about 3 cm in length, 2 cm in breadth and 1 cm in thickness and weighs about 15 to 20 grams. The ovaries contain about 6 to 7 millions oocytes during the intrauterine period, at birth this reduces to 2 millions, rest become atretic. At puberty about 4 lacs of oocytes are left behind; out of these only 400 to 500 oocytes ovulate during the entire reproductive period of female.

What are the causes for Infertility in females?

Female infertility can be caused by any abnormality in reproductive, hormonal (endocrine) system or due to systemic causes.

1. Uterine causes: absent uterus, hypoplastic uterus, septum in uterus, bicornuate uterus, fibroids, intrauterine adhesions, infection, etc.

2. Tubal factors (35 to 45%): Fallopian tube is a very important part of female reproductive system. Infection can cause serious damage to the tube causing infertility. In India, tuberculous infection is an important cause of female infertility. Also repeated curettage of uterus, abortions can cause infection of tubes & their subsequent blockage.

3. Cervical causes: The cervical epithelium secretes important secretions that are necessary for normal passage of sperm through the cervical canal. Disturbance in this process can cause infertility. Cervical stenosis, thick cervical mucus and the presence of sperm antibodies in cervical mucus can cause infertility.

4. Vaginal causes: Hymen is tight membrane that covers the vaginal outlet. Usually this ruptures during first few coital exposures. If this membrane persists, it can cause infertility.

5. Ovarian causes (25 to 40%):

  • Ovulatory dysfunction: This is a condition in which ovulation, the release of an egg from the ovary, does not occur regularly or is absent. These patients usually have irregular cycles.

  • Polycystic ovarian disease (PCOD): PCOD is an endocrine (hormonal) disorder in which the ovaries become enlarged and studded with numerous small cysts. PCOD is usually associated with ovulatory dysfunction, irregular cycles and obesity.

  • Premature ovarian failure (POF): When a female have menopause before the age of 40 years. Ovary is no more able to produce the eggs.

6. Endometriosis (1 to 10%): Endometrial tissue spreads to the ovary or elsewhere in the abdominal cavity and cause damage to the organs. Common site for endometriosis is ovary.

7. Immunological causes: In this disease antibodies develop in female against the sperms or oocytes. This can result in failure of fertilization, implantation or abortion.

8. Hormonal (endocrine) causes: Endocrine system produces very important hormones that are necessary for normal human reproduction. Abnormal hormonal production can result in infertility. In female FSH, LH, PRL (prolactin) (from pituitary glands), estrogen, progesterone, DHEA (from ovaries), insulin (from pancreas), thyroid hormones (from thyroid gland) & GnRh from hypothalamus are important. Common endocrine diseases associated with infertility are thyroid disorders (hypothyroidism, hyperthyroidism), diabetes, and Cushing’s disease.

9. Genetic causes: Certain genetic diseases cause hormonal imbalance, anovulation, failure of fertilization or implantation or abortion. Common genetic abnormalities are Turner’s syndrome, Down’s syndrome, etc.

10. Mental Stress: Sound mind is necessary for normal process of hormonal production, ovulation, fertilization, implantation & future pregnancy outcome. Excessive mental stress can cause disturbances in above process of reproduction leading to infertility to some extent.

11. Systemic causes: Obesity, malnutrition, smoking, alcohol intake, kidney disease, sickle cell disease, chemotherapy, HIV/AIDS can lead to infertility.

12. Unexplained infertility: Some couples are unable to conceive in spite of normal reports. In these couples more extensive work up and advanced form of infertility treatment may be necessary.

Risk factors life style issues that affect fertility:

1. Age: the probability of having a baby decreases with increasing age.

2. Alcohol intake & smoking: increases the risk of infertility

3. Prolonged exposure to high temperatures, industrial chemicals and radiation.

4. Depression and stress: may impact the hormones that regulate ovulation.

5. Unprotected sex: may increase the risk of sexually transmitted diseases that can lead to pelvic inflammatory disease.


When does ovulation occur in female?

Timing of ovulation depends upon the duration and regularity of menstrual cycle of female partner. If cycles are regular i.e. 28 to 30 days, usually, in normal circumstances, ovulation occurs fourteen days prior to expected periods. If cycles are irregular then prediction of ovulation is difficult, in such cases you can take help of ovulation tests or consult your gynecologist.

Which tests are available for detection of ovulation?

Normal ovulation is defined as rupture of the ovarian follicle with release of an oocyte. The most common means of assessing ovulation in the menstruating woman include basal body temperature (BBT) recordings, cervical mucus changes, testing of luteinising hormone (LH) surge and serial ultrasound scans.

What should be the time of intercourse to achieve a pregnancy?

Timing of intercourse depends upon the duration and regularity of menstrual cycle of female partner. Usually, in normal circumstances, ovulation occurs fourteen days prior to expected periods. So, in general if a female partner is having a regular cycle of 28 to 30 days, she should have intercourse daily or alternate day from day 12 to day 18 of menstrual cycle to have a pregnancy. If cycles are irregular then prediction of ovulation is difficult, in such cases you can take help of ovulation tests or consult your gynecologist.

What is Superovulation?

In this treatment medicines like Clomiphen Citrate, Letroze & hormonal injections of FSH & LH or recombinant FSH are given daily to get more than one follicle which then are made to rupture by giving injection of HCG. This process increases chances of pregnancy by 30-40%. The risk of multiple pregnancy & ovarian hyperstimulation syndrome (OHSS) is there, so this is to be done judiciously.

After intercourse why semen comes out of vagina?

Normally vagina can accommodate upto half to one milliliter semen which is sufficient for normal reproduction. When husband’s semen volume is more than this amount, the remaining semen may come out of vagina after intercourse. This will be not the cause of your infertility.


Most women over age 30 also have healthy pregnancies and healthy babies. Recent studies suggest, however, that older moms do face some special risks. Since the late 1970s, birth rates for women in their late 30s and 40s have increased dramatically. The birth rates for women age 35 to 39 and 40 to 44 more than doubled.

Advances in medical care now help women in their late 30s and 40s have safer pregnancies than in the past. However, women should be aware of the risks associated with later childbearing so that they can make informed decisions about their pregnancies.

How much does age effect fertility ?

Women generally have some decrease in fertility starting in their early 30s. It is not unusual for a woman in her mid-30s or order to take longer to conceive than a younger women.

Age-related declines in fertility may be due, in part, to less frequent ovulation or to problems such as endometriosis, in which tissue similar to that lining the uterus attaches to the ovaries or fallopian tubes and interferes with conception.

If conception has not taken place after six months of trying, a women over age 35 should consult her Doctor. About one-third of women between age 35 and 39 and two-thirds of women over 40 have fertility problems.