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Acceptability, tolerability, and satisfaction of a contraceptive vaginal ring (the NuvaRing) among Thai women


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Figure 1

Ring-related adverse events by visits
Ring-related adverse events by visits

Figure 2

Number of cycles with at least one abnormal bleeding pattern
Number of cycles with at least one abnormal bleeding pattern

Bleeding patterns from a total of 229 cycles

OutcomeNumber of cycles (%)
Normal expected bleeding218 (95.1)
Early and continued withdrawal bleeding1 (0.43)
Breakthrough bleeding/spotting7 (3.0)
 Breakthrough bleeding5 (2.1)
 Breakthrough spotting2 (0.9)
No withdrawal bleeding7 (3.0)

Adverse events reported during the study period

Adverse eventsNumber of clients (%)
Dizziness2 (5.12)
Nausea1 (2.56)
Pelvic pain2 (2.5)
Back pain1 (2.5)

Statistical analysis comparing before and after using the NuvaRing

VariablesBaseline Mean (SD)After 6th cycle Mean (SD)Mean differenceP
Body weight (kg)56.49 (6.85)56.49 (6.72)0.002 (1.11)0.998
Systolic BP (mmHg)111.92 (7.30)111.07 (7.84)-1.13 (5.7)0.23
Diastolic BP (mmHg)69.60 (5.78)72.10 (4.13)2.5 (6.16)0.017
Duration of menstrual flow (days)4.61 (1.22)4.15 (1.00)-0.44 (1.00)0.009
Amount of pads/cycle (pads)14.42 (4.57)13.71 (4.17)-0.71 (2.76)0.12

Baseline characteristics of the clients

VariableMean (SD)/Number of clients (%)

Continuous variables are presented as mean (SD), and categorical variables are presented as n (%)

Age (years)29.2 (4.9)
Parity (%)
 03 (7.7%)
 128 (71.8%)
 25 (12.8%)
 >23 (7.7%)
Occupation
 Housewife8 (20.5%)
 Employee19 (48.7%)
 Bureaucrat4 (10.3%)
 Business3 (7.7%)
 Others5 (12.5%)
Dysmenorrhea
 No9 (23.0%)
 Mild25 (64.1%)
 Moderate5 (12.8%)
Recent method of contraception
 Combined oral contraceptives8 (20.5%)
 DMPA1 (2.6%)
 Condom20 (51.3%)
 None10 (25.6%)
eISSN:
1875-855X
Language:
English
Publication timeframe:
6 times per year
Journal Subjects:
Medicine, Assistive Professions, Nursing, Basic Medical Science, other, Clinical Medicine