Table II.
(Characteristics of Pad + Tampon Use Within-Woman Difference)a | Pregnancy Marker
|
|||
---|---|---|---|---|
Maximum hCG
|
Days from ovulation to bleeding
|
|||
ρb | P-value | ρb | P-value | |
Length of use (days) | 0.09 | 0.59 | 0.07 | 0.66 |
Total no. used during bleed period | 0.37 | 0.02 | 0.48 | 0.003 |
Max. no. used in one day | 0.16 | 0.35 | 0.16 | 0.34 |
Mean no. per bleeding day | 0.29 | 0.08 | 0.47 | 0.004 |
Period day of heaviest use | −0.11 | 0.53 | −0.29 | 0.09 |
No. of light days (0–3)c,d | −0.38 | 0.02 | −0.42 | 0.01 |
No. of medium days (4–6) | 0.32 | 0.05 | 0.39 | 0.02 |
No. of heavy days (7+) | 0.05 | 0.79 | 0.08 | 0.66 |
Value for woman’s bleed following her early loss minus mean value for her bleeds following cycles with no detected conception
Spearman correlation coefficient
Numbers in parentheses indicate daily total for pad + tampon use.
One bleed episode has a single day with pads + tampons = 0.