Md. Kawsar Ali Hawlader Senior Lecturer Dept. Of Biology Sub:Biology Second Paper.

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Md. Kawsar Ali Hawlader Senior Lecturer Dept. Of Biology Sub:Biology Second Paper

Chapter-9

Infertility in men and woman

 tell the causes of infertility in male  tell the causes of infertility in female  explain the effects of sex-hormonal imbalance. Learning output After completing this lesson students should be able to…

Fetal growth restriction

Vas deferens Scrotum Testes Testis Reasons for male infertility 1.Sperm production problems 2. STD infections : 3. Physical damage: 4. Retrograde ejaculation: 5. Genetic diseases 6. Hormonal problems:

ovary Fallopian tube vegina uterus cervix Female reproductive system Reasons for infertility in woman 1.Ovulation problems 2. Blocked fallopian tubes 3. Cervical causes 4. Cervical mucus 5. Egg quality:

Pituitary gland Thymus gland Pancreas Pituitary gland Thyroid and parathyroid gland Adrenal gland Testis Ovary Sex hormonal imbalance in men and women

Fetal growth restriction

Group-A Write down the reasons for infertility in men. Group-B Write down the reasons for women in women.

 Ruma gave birth a baby. Her weight is 4 pound. There is a special problem which is created in the uterus of Ruma in the growth of baby. In the other hand, the younger sister of Ruma suffering from infertility due to abnormal secretion of some special chemical substances. Those chemical substances keep continuity of human race. a. What is infertility? b.What is meant by LGA? c.Explain the causes of the problem of Ruma. d.Give your logical opinion about the last sentence of the stem.

Write down the sex hormonal imbalance in men and women. Home Work

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