her son, cameron, was conceived naturally and this was hailed in some quarters as proof that ivf really 「works」.
她的儿子cameron是自然受孕,这在一些地方被认为是ivf确实有效的证据。
for their study, reported in the journal fertility and sterility, mcmahon's team followed 266 women who had conceived naturally and 275 who had undergone fertility treatment.