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Cervical ectopic pregnancy: hysterectomy specimen examination clarifies the cause of first trimester pregnancy

Carla Bartosch1, Otília Brandão, Nuno Montenegro

  • 1Department of Pathology, Hospital de S João, Porto, Portugal. carlabartosch@med.up.pt

Fertility and Sterility
|February 23, 2011
PubMed

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The menstrual cycle includes a critical component known as the ovarian cycle, which undergoes two main phases each month—the follicular phase and the luteal phase. The follicular phase is variable and averaging around 14 days. Ovulation, triggered by a surge in luteinizing hormone (LH), marks the transition between the two phases. The second phase, the luteal phase, is relatively consistent, lasting approximately 14 days, and is marked by the activity of the corpus luteum. While a cycle length...