- A4th month
- B2nd month
- C6th month
- D8th month
Explanation:
During the 8th month, the baby's organs are fully developed like fingernails, brain except for lungs.
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$(i)$ Avoid sex with unknown partners
$(ii)$ Use condoms during coitus
$(iii)$ Blood transfusion
$(iv)$ All of these
$I.$ Cancer can be detected by the use of antibodies against cancer specific antigens for certain type of cancer
$II.$ The tumor cells are surgically removed to reduce the load of cancerous cells
$III.$ Certain chemotherapeutic drugs are used to kill the cancerous cells, but majority of the drugs have side effects like hair loss, anaemia, etc.
$I.$ Gene therapy is a genetic engineering technique used to treat diseases at molecular level.
$II.$ Calcitonin is medically useful recombinant product in the treatment of infertility.
$III.$ Bt toxin is a biodegradable insecticide obtained from Bacillus thuringiensis.