Are Earth rocks affected by the gravitational pull of the Moon and Sun on Earth?

Yes

Explanation:

Everything on Earth is affected by the gravitational pull of the Moon and the Sun.

Theoretically, the influence of the Sun’s gravity extends an infinite distance.

However, the practical distance is about two light-years (2× 10¹³ km). After that, the gravitational attraction from other stars becomes stronger.

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.