A girl’s human body does generate less estrogen as she ages, although the causes of premature ovarian failure remain mostly unknown. Oligo-ovulation: This is a condition through which ovulation doesn’t happen over a regular foundation. The menstrual cycle might be extended than the normal cycle of 21 to 35 times. https://bookmarkshut.com/story20409412/why-do-i-feel-so-bad-during-ovulation-things-to-know-before-you-buy