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• Ovulation occurs midway through the menstrual cycle, or 13 to 15 days before the start of the next period, and involves the dominant follicle releasing an egg into the fallopian tube.
• During ovulation, the released egg is captured by fimbriae, which are finger-like projections on the end of the fallopian tubes, and swept into the fallopian tube.
• During the menstrual cycle, an ovary releases an ovum that travels through the fallopian tube into the uterus; if the ovum meets sperm, a zygote is created.
• During the luteal phase, the egg travels through the fallopian tubes to the uterus, and the uterine lining continues to thicken in preparation for pregnancy.
• During ovulation, the dominant follicle releases an egg into the fallopian tube.
• The ovum travels toward the uterus through the fallopian tube, pushed by the movements of cilia on the inner lining of the tubes, a process that takes hours or days.
• During ovulation, the dominant follicle releases an egg into the fallopian tube.
• During ovulation, the ovary releases the egg that matured during the follicular phase, which then travels to the fallopian tubes.
• The menstrual cycle proceeds in five steps: (1) The pituitary gland produces FSH, which signals the ovaries to produce estrogen. (2) When estrogen reaches a specific level for a set duration, the pituitary gland produces LH. (3) LH triggers ovulation, causing the ovary to release an egg into the fallopian tube. (4) The ovary produces progesterone to prepare the uterus for pregnancy. (5) If conception does not occur, hormone levels drop, the menstrual lining stops developing, and the lining is shed as a menstrual period.
• Upon the maturity of an ovum, the follicle and the ovary's wall rupture, allowing the ovum to escape and enter the fallopian tube.
• During the ovulation phase, estrogen levels peak, triggering a spike of luteinizing hormone (LH), which causes the release of the mature egg from its follicle into the fallopian tube towards the uterus.
• Fallopian tubes are narrow tubes attached to the upper part of the uterus that serve as pathways for an egg to travel from the ovaries to the uterus.
• If an ovum is fertilized while in the fallopian tube, it normally implants in the endometrium upon reaching the uterus, signaling the beginning of pregnancy.
• The luteal phase of the menstrual cycle lasts from approximately day 15 to day 28, during which the egg travels through the fallopian tubes to the uterus.
• In the absence of fertilization, the ovum traverses the entire reproductive tract from the fallopian tube until exiting the vagina through menstruation.
• Fertilization of an egg by sperm normally occurs in the fallopian tubes, after which the fertilized egg moves to the uterus to implant into the uterine lining.
• The uterus produces secretions that assist the transit of sperm to the fallopian tubes, where fertilization of an ovum can occur.
• During ovulation, a sudden surge in luteinizing hormone (LH) triggers the release of an egg from the dominant follicle into the fallopian tube.