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Seemantham is only for the first child. Valaikappu: This ceremony is performed during the odd months of pregnancy mostly during the fifth or seventh month for the expectant mother in her mother's house. Prayers are invoked for the well-being of the mother-to -be and the fetus. I am supposed be dressed up just like I did during my haldi ceremony before wedding. For convenience, mostly people do this seemantham and Valaikappu on the same day, which is what we did too. I had taken a day off on 31st Aug. We (Anand, I and parents) woke up fairly late at about 7:30, had coffee and cereal.
The effect of the Valsalva Maneuver is a drastic increase in the pressure within the thoracic cavity. SIDENOTE. ==========================================. The thoracic cavity is the airtight section inside the chest which houses the lungs and heart. In a Valsalva Maneuver, attempting to exhale with the mouth and nose closed increases the pressure in the thoracic cavity because the air cannot escape. ==========================================. The place where the Valsalva Maneuver is carried out the most is the sitting toilet. It is difficult to evacuate properly on a sitting toilet because the colon is not supported and pressurised. There is also a kink at the rectum and anus which obstructs the flow of waste.