Digestive 
Blood
Cardiovascular
Dermatology
Genitourinary,
Hormones
Infections
Oncology and
Musculo-skeletal
Mental health and
Parasites
Respiratory
Senses
Various
At 36 weeks (8 months) the foetus is about 48 cm long and weighs about 2,500 grams. From 37 weeks on, his body is mature and he is ready for life outside the womb.
At the end of the pregnancy (9 months) the foetus, as a general rule, weighs 3,000 to 3,500 grams and measures about 50cm.
