משנה אויף ויקרא 5:4

Oaths are of two kinds, subdivided into four; The laws concerning the discovery of having contracted uncleanness are of two kinds, subdivided into four; The laws concerning carrying on the Sabbath are of two kinds, subdivided into four. The symptoms of negas are of two kinds, subdivided into four.

All the substitutes for vows have the validity of vows. Those for haramim have the validity of haramim, And those for oaths have the validity of oaths, And those for nazirite [vows] have the validity of nazirite [vows]. If one says to his fellow, “I am forbidden from you by a vow”; “I am separated from you”; “I am distanced from you”, “that I should eat from yours”, “that I should taste from yours”, he is prohibited. If he says: “I am banned to you”, Rabbi Akiba was inclined to rule stringently. [If one says] “As the vows of the wicked”, he has vowed in respect of being a nazirite, or a sacrifice, or an oath. [If he says] “As the vows of the fit”, he has said nothing. [But if he said] “As their freewill-offerings” he has vowed in respect of being nazirite and a sacrifice.

A woman who has had several births. If she miscarried a female within eighty days of the birth of a girl, and then she again miscarried a female within eighty days of the previous [miscarriage]; or if she miscarried twins. Rabbi Judah says: she brings an offering for the first and not for the second, for the third again but not for the fourth. The following persons bring an offering of higher or lesser value: One who hears the voice (see Leviticus 5:1); One who has broken the word of his lips (Leviticus 5:4); One who while unclean has entered the sanctuary or [has partaken] of holy things, A woman after childbirth And a metzora. What is the difference between [intercourse] with a female slave and the other forbidden sexual relations? For they are not equivalent in regard to the punishment nor the sacrifice. In the case of all other forbidden sexual relations a hatat is brought, in that of a female slave an asham; In the case of the other forbidden sexual relations a female animal is brought, in that of the female slave a male; In the case of the other forbidden sexual relations man and woman are alike with respect to lashes and the sacrifice; in that of the female slave the man is unlike the woman regarding the lashes, and the woman is unlike the man regarding the sacrifice. In the case of all other forbidden sexual relations sexual contact is punishable as well as consummation, and one is liable for each act of intercourse separately. For in this the case of the female slave is more stringent in that intentional transgression is of the same status as unwitting transgression.