Page 70 - Critical Maternity & Newborn Health Nursing

2- Intrauterine synechiae (Asherman's syndrome).

3- Cervical incompetence: whether congenital or acquired.

4- Uterine myomas.

5- Deficiency of endometrial oestradiol and progesterone receptors: leads

to failure of implantation or early abortion.

6- Divided uterine artery: uterus with two ascending uterine arteries may

fail to provide adequate blood flow to the developing placenta and the

growing fetus.

III. Infections:

- Toxoplasma -Mycoplasma hominis.

- Urea plasma urealyticum. -Listeria monocytogenes.

- Brucella. - Chlamydia. - Syphilis.

IV. Hormonal:

- Hypothyroidism. -Diabetes.

- Luteal phase deficiency.

V. Immunological:

VI. Miscellaneous:

1-Chronic malnutrition. 3- Chronic cardiac and renal

diseases.

2- Chronic anaemia. 4-Cigarette smoking and alcohol

abuse

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