Figure 4.
Y chromosome (Yc) DNA copies in cervicovaginal lavage (CVL) cell pellets. Yc DNA was quantified by DNA polymerase chain reaction analysis. *P < .05, by the paired t test, compared with baseline.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.