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ORIGINAL ARTICLE
Year : 2019  |  Volume : 17  |  Issue : 2  |  Page : 51-63

Relationship of maximum follicular size, age of woman, and reproductive implications in women attending fertility clinic in St. Margaret's Hospital, Lokoja, using Creighton Model FertilityCare™ System and NaProTECHNOLOGY


Department of General Practice, St. Margaret's Hospital and Maternity, Lokoja, Kogi State, Nigeria

Correspondence Address:
Dr. Francis Udoka Achebe
Department of General Practice, St. Margaret's Hospital and Maternity, Felele Phase 1, Lokoja, Kogi State
Nigeria
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/NJGP.NJGP_9_18

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Background: Some authorities have found that, when the mean follicular diameter is >25 mm, the follicle is considered large, and these authorities are convinced that large follicles are biomarkers to ovarian pathology. Several studies have been carried out to determine the optimal maximum follicular size (MFS) that will be adequate before the use of human chorionic gonadotropin trigger to induce ovulation. None of these studies have considered the woman's age as a factor. An in vitro fertilization-based study has also shown that large leading follicles did not result in higher percentage of matured oocytes, and they even result in a lower live birth rate; however, we note that the ages of the women were not specifically mentioned in connection with the problems of large follicle. Subjects and Methods: We set out in this study to evaluate the relationship between the MFS and the woman's age both in our control group (fertile women) Group (A) and in the women attending fertility clinic Group (B). Using the Creighton Model Fertility Care System and NaProTECHNOLOGY, it was possible to determine when to start follicular tracking and also determine ultrasound diagnosis of ovulation by recording the MFS and the reduced size. Results: In both Group A and Group B, we discovered that the MFS reduces as woman's age increases. We also discovered that the average MFS in the Group B was higher for age compared with the Group A (P = 0.0043). There was also an association between these bigger follicles for age and low mid-luteal progesterone. This is probably the first study that describes the association of follicular size and woman's age and its possible link with ovulation defects. Recommendation: We have proposed that this phenomenon of large matured maximum follicle for age could be a contributory factor to infertility and miscarriages. We propose further studies to verify this hypothesis. Conclusion: Despite the high percentage of complete rupturing of follicles in the AB cycles in the Group (B) there are very high proportion having low mid luteal (P+7) Progesterone. This may be due to pathologies associated with big follicles for woman's age. The E2/Pg ratio study in luteal phase strongly suggested that the women in Group (B) that may have fertility challenge are those in subgroup of AB in Group (B). Therefore matured follicular size should be considered with the woman's age. If the follicles grows bigger away from the range for a woman's age it may be the marker for infertility or reproductive health challenges.


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