Reference for Yevamot 200:18
וחכמים אומרים אחת זו ואחת זו משמשת כדרכה והולכת ומן השמים ירחמו שנאמר (תהלים קטז, ו) שומר פתאים ה'
and yet it was stated in the final clause, HE MAY GO UP [TO SERVE] IN THE MISHMAR OF THE ONE AS WELL AS OF THE OTHER. This, then, presents an objection against the ruling of Samuel!<span class="x" onmousemove="('comment',' Who disqualified such a child for the priesthood. Cf. supra p. 688, n. 15. ');"><sup>58</sup></span> — R. Shemaia replied: [Our Mishnah refers] to a minor who made a declaration of refusal.<span class="x" onmousemove="('comment',' V. Glos. s.v. mi'un. Such a minor requires no letter of divorce. It is, therefore, possible for her to be separated from her first husband and yet remain permitted to marry a priest. Her son would consequently be subject to the restrictions spoken of in our Mishnah. Cf. supra p. 690. n. 6. ');"><sup>59</sup></span> But is a minor<span class="x" onmousemove="('comment',' Lit., 'a female who refused'. ');"><sup>60</sup></span> capable of propagation? Surely R. Bebai recited before R. Nahman: Three categories of women may use an absorbent in their marital intercourse:<span class="x" onmousemove="('comment',' To prevent conception. ');"><sup>61</sup></span>