Ben lives on the outskirts of town and does not have access to a public sanitary sewer system. ben wants to do a treatment of the wastewater from his household. which system can ben use to do a wastewater treatment in his household? a. septic system b. lagoon c. pond d. municpal wastewater treatment plant

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.