Yes and a lot of it is retaining water. Knock off the soft drinks, sugars, and caffeine drinks that should help some. If you have bad PMS you can help yourself through what you eat and drink as well.
menstrual bleeding
The ovum matures in the ovary during your menstrual phase. Then later in your menstrual cycle the egg will burst from the ovary during ovulation.
progesterone secretion is at its highest
Progesterone
The menstrual cycle starts with menstruation. The firswt day of your menstrual cycle is considered to be the first day of true bleeding during your menstrual phase.
The proliferative phase of the menstrual cycle is the phase following ovulation and before menstruation. During this phase the uterine lining develops in order to support the growth of the embryo if the woman falls pregnant.
The phase of the menstrual cycle when the endometrium is degenerating is the menstrual phase. During this phase, the lining of the uterus sheds and is expelled from the body along with blood.
LH and FSH levels are genetically predetermined.
During the proliferative phase, estradiol causes the endometrium to grow and menstrual bleeding to stop. It coincides with the follicular phase of egg development.
the uterine lining builds-up during the proliferate phase of the menstrual cycle. Everyone's menstrual cycles are different, but during a 28 day cycle this phase would be around days 16-28.
The 4 phases of menstrual cycle are Menstrual phase, Follicular phase, Ovulation phase and Luteal phase. Menstrual cycle day count starts on the first day of menstruation when blood begins to leak out of the vagina.
Development of the corpus luteum The corpus luteum develops from the ruptured follicle during the luteal phase after ovulation. -masteringbiology.com