Which is a quantitative method of data collection?

grouping students based on their average marks in the previous year's final exam
collecting information about unknown women scientists in the united states
collecting information about food traditions in the united states
nextreset

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.

ya the other dude is right