Mixing chemicals with waste in sewage holding tanks or septic. systems may produce toxic fumes, corrode pipelines and tanks, and. pollute soil and ground water when discharged. When chemicals, such as formaldehyde, are added to septic systems, they can cause. bacteria in the system to die.
The cervix is the opening to the womb. Itâs located between the vagina and the uterus and plays a crucial role in pregnancy and labor. During pregnancy, it remains closed and the opening is blocked with a mucus plug.
knowledge about the position and of cervix in early pregnancy helps a lot in determining if you re pregnant or not your cervix is likely to rise up and feel soft during early pregnancy however the opening of the cervix will remain closed and this usually happens as early as 12 hours after ovulation