2007-03-02 05:18:29 · 6 answers · asked by IamKulotlot 2 in Science & Mathematics ➔ Biology
In addition to what everyone has said so far, the presence of other females that are in close contact with you affects ovulation as well. Studies have shown that periods of roommates and family members tend to line up.
2007-03-02 10:25:13 · answer #1 · answered by Frannie 4 · 0⤊ 1⤋
The egg erupts from the ovary on the 14th to 16th day of the approximately 28-day menstrual cycle.....although diet, stress and environment affects this cycle.
2007-03-02 05:26:20 · answer #2 · answered by Diamond in the Rough 6 · 0⤊ 1⤋
Many things, some of which are:
reproductive hormone levels,
Thyroid,
Woman's weight (both extremely low or extremely high),
Age,
Presence of systemic and /or autoimmune diseases (such as lupus)
Proximity to toxic waste sites (and other envirnmantal contaminants) and many more.
2007-03-02 05:23:22 · answer #3 · answered by TJTB 7 · 1⤊ 1⤋
The moon. A woman's cycle is tied directly to the moon's cycle.
2007-03-02 05:21:36 · answer #4 · answered by Anonymous · 0⤊ 2⤋
Hormones.
Your question is something like...'Why do human excretes'
2007-03-02 20:21:14 · answer #5 · answered by lonely ariel 3 · 0⤊ 1⤋
genetics, stress and other environmental factors as well
2007-03-02 05:30:15 · answer #6 · answered by 98nil 2 · 0⤊ 1⤋