Background/Objectives: Human papillomavirus (HPV) infection remains the principal etiologic factor for cervical intraepithelial neoplasia (CIN) and cervical cancer. This longitudinal cohort study aimed to characterize the dynamics of cytological and histopathological changes over a two-year follow-up, focusing on post-treatment reduction in lesion grade, persistence, and progression in relation to HPV genotype distribution and smoking status. Methods: A total of 351 women aged 20–76 years were included, with cervical samples collected at the “Elena Doamna” Clinical Hospital, Iași, Romania. Cytology was categorized according to the Bethesda System, while colposcopy and conization served as diagnostic confirmation methods. HPV genotyping identified both high-risk (HR) and low-risk (LR) viral subtypes. Longitudinal assessments were performed at baseline, one-year, and two-year intervals to evaluate temporal patterns of disease evolution. Results: At baseline, HSIL represented the predominant cytologic category (51.3%, n = 180), followed by ASC-US (19.1%), ASC-H (15.1%), and LSIL (14.5%). Negative cytology increased from 62.4% at one year to 71.8% at two years, indicating substantial post-treatment reduction in lesion grade. Downgrading of lesion severity after treatment occurred in 26.2%, persistence in 11.1%, and progression in 11.1% of cases. Concordance between colposcopy and conization was moderate but statistically significant (κ = 0.345), with the highest agreement observed for HSIL with equivocal features between CIN II and CIN III lesions. Smoking showed a significant association with lesion persistence at two years (OR = 3.07; 95% CI: 1.16–8.08) but no statistically significant association with HR-HPV persistence. HR-HPV genotypes 16, 18, 31, and 33 were most frequently linked to progression, whereas HPV 35, 59, and 68 were associated with persistence. Conclusions: Over two years, most cervical lesions regressed or normalized, demonstrating effective management and follow-up. Persistent infection with HR-HPV types and smoking were the primary determinants of unfavorable outcomes. These findings highlight the clinical relevance of sustained surveillance, HPV genotyping, and smoking cessation as integral components of evidence-based cervical disease prevention and management strategies.

Background: Adolescent pregnancy is associated with increased maternal and neonatal morbidity, particularly in the context of inadequate prenatal care. Understanding the distribution of maternal and obstetrical complications in this population is important for improving clinical management and pregnancy outcomes. Methods: This retrospective observational study included primiparous adolescent patients (≤18 years) and focused on the assessment of maternal and obstetrical complications. The analysis compared the frequency of these complications between adolescents with adequate prenatal care and those without adequate prenatal follow-up, aiming to identify the most common complications and their distribution according to antenatal care status. Results: Significant differences were identified between groups. Maternal infections were more frequent among patients without adequate prenatal care (24.1% vs. 9.3%, p = 0.039). Hemorrhage was significantly more frequent among patients with adequate prenatal care (59.3% vs. 35.2%, p = 0.012). Among obstetrical complications, cephalopelvic disproportion showed a significant association with prenatal care status (p = 0.034), occurring more frequently in patients without antenatal follow-up. Hypertensive disorders, including gestational hypertension and preeclampsia, were identified only among patients without adequate prenatal care; however, no statistically significant association was observed (p = 0.118). Placenta previa (p = 0.057) and placental abruption (p = 0.495) were also observed only among patients without adequate prenatal care. Conclusions: Primiparous adolescent patients without adequate prenatal care showed a higher frequency of maternal and obstetrical complications, particularly infections and delivery-related disorders. Prenatal monitoring was associated with earlier identification and management of maternal and obstetrical risk factors. These findings highlight the importance of improving access to antenatal care among adolescent populations.