SIXTH WEEK

By the end of the sixth week, the foetus measures about 6 mm. Changes in the growing foetus include development of:

• Chest and abdominal cavities.
• A simple from of brain, spinal cord and the spine.
• Tiny limb buds at corners of the body
• A simple form of heart, which begins to beat and these heartbeats can be detected through ultrasound.
• Initial parts of the stomach and intestine.
• Tiny depressions where the eyes and ears will develop and beginning of the mouth and jaw.