*Whistle whistle whistle...*
| AF | Aunt Flo — menstruation/period |
| AP | attachment parenting |
| BB or BBS | Internet bulletin board |
| BBC | BabyCenter |
| BBL | be back later |
| BBT | basal body temperature |
| BC | because, or birth control, or before children |
| BCPS | birth control pills |
| BD | baby dance (sex) |
| BF | breastfeed, or boyfriend |
| BFN | big fat negative (pregnancy test) |
| BFP | big fat positive (pregnancy test) |
| BIL | brother-in-law |
| BM | breast milk, or bowel movement |
| BRB | be right back |
| BTDT | been there, done that |
| BTW | by the way |
| CD | cycle day |
| CF | cervical fluid |
| CIO | cry it out |
| Circ. | circumcise |
| CM | cervical mucus |
| CWIM | see what I mean |
| CS or C/S | cesarean section |
| DC | daycare, dear child |
| DD | dear daughter |
| DF | dear fiancee |
| DH | dear husband |
| DPO | days past ovulation |
| DS | dear son |
| DSD | dear stepdaughter |
| DSS | dear stepson |
| DW | dear wife |
| EBF | extended breastfeeding, exclusively breastfeeding |
| EBM | expressed breast milk |
| EDD | estimated due date, or expected date of delivery |
| EWCM | egg white cervical mucus |
| FF | formula feeding |
| FIL | father-in-law |
| FT | full time |
| FTR | for the record |
| FWIW | for what it's worth |
| FYI | for your information |
| HPT | home pregnancy test |
| HTH | hope this helps |
| IC | incompetent cervix |
| IMHO | in my humble opinion |
| IMO | in my opinion |
| IRL | in real life |
| IUI | intrauterine insemination |
| IVF | in vitro fertilization |
| JJ or J/J | just joking |
| JK or J/K | just kidding |
| JMHO | just my humble opinion, or just my honest opinion |
| KWIM | know what I mean |
| L&D | labor and delivery |
| LO | little one |
| LOL | laughing out loud |
| LP | luteal phase |
| MC or M/C | miscarriage |
| MIL | mother-in-law |
| ML | maternity leave |
| MM | mother's milk |
| MYOB | mind your own business |
| NMS | not my style |
| NMSAA | not my style at all |
| NP | no problem |
| O | ovulation |
| O'd | ovulated |
| OMG | oh my gosh, or oh my god |
| OP | original poster |
| OPK | ovulation predictor kit |
| OT | off topic |
| PG | pregnant, or pregnancy |
| PP | previous poster |
| PPD | postpartum depression |
| RE | reproductive endocrinologist |
| ROFL | rolling on floor laughing |
| SAHD | stay-at-home dad |
| SAHM | stay-at-home mom |
| SAHP | stay-at-home parent |
| SD | sperm donor |
| SIL | sister-in-law |
| TCOYF | Taking Charge of Your Fertility, by Toni Weschler |
| TIA | thanks in advance |
| TMI | too much information |
| TTC | trying to conceive |
| US or U/S | ultrasound |
| VBAC | vaginal birth after cesarean section |
| WAH | work at home |
| WOH | work out of the home |