PREGNANCY ::
When the ovum is fertilized pregnancy ensues It proceeds for 280 days or nine months and ten days to terminate into parturition resulting in the birth of a baby
PHYSIOLOGICAL CHANGES ::
During pregnancy a series of progressive changes take place
1.Uterus its placenta ovaries and breasts enlarge vagina widens and pelvic ligaments relax
2.Blood volume increases and accordingly plasma iron decreases
3.Cardiac output is increased and blood pressures is decreased
4.Digestive system morning sickness i.e.nausea vomiting occurs and constipation develops
5.Respiration is increased and vital capacity is also increased
6.Endocrine glands are stimulated Thyroid parathyroids and adrenal cortex are enlarged
7.Carbohydrate protein and fat metabolism are stimulated and result in glycosuria lipidaemia and water retention
8.Excretory system :sometimes sugar appears in urine Oestrogens progesterone and gonadotrophic hormone of placenta are also excreted in the urine
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